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Finding the Fourth Proportional to 115,900,553.70, 173,850,830.55 and 115,900,553.70

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Solution

The fourth proportional to 115,900,553.70, 173,850,830.55 and 115,900,553.70 is: 173,850,830.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,900,553.70 : 173,850,830.55 = 115,900,553.70 : x
  2. Step 2: Convert to fraction form
    115,900,553.70/173,850,830.55 = 115,900,553.70/x
  3. Step 3: Cross multiply
    115,900,553.70x = 173,850,830.55 × 115,900,553.70
  4. Step 4: Simplify right side
    115,900,553.70x = 20,149,407,521,949,876
  5. Step 5: Solve for x
    x = 20,149,407,521,949,876/115,900,553.70
  6. Step 6: Final answer
    x = 173,850,830.55

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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.