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Finding the Fourth Proportional to 115,893,971,381.85, 173,840,957,072.77 and 115,893,971,381.85

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Solution

The fourth proportional to 115,893,971,381.85, 173,840,957,072.77 and 115,893,971,381.85 is: 173,840,957,072.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,893,971,381.85 : 173,840,957,072.77 = 115,893,971,381.85 : x
  2. Step 2: Convert to fraction form
    115,893,971,381.85/173,840,957,072.77 = 115,893,971,381.85/x
  3. Step 3: Cross multiply
    115,893,971,381.85x = 173,840,957,072.77 × 115,893,971,381.85
  4. Step 4: Simplify right side
    115,893,971,381.85x = 20,147,118,903,985,021,386,752
  5. Step 5: Solve for x
    x = 20,147,118,903,985,021,386,752/115,893,971,381.85
  6. Step 6: Final answer
    x = 173,840,957,072.77

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.