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Finding the Fourth Proportional to 97,998.48, 146,881.08 and 56,358

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Solution

The fourth proportional to 97,998.48, 146,881.08 and 56,358 is: 84,469.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,998.48 : 146,881.08 = 56,358 : x
  2. Step 2: Convert to fraction form
    97,998.48/146,881.08 = 56,358/x
  3. Step 3: Cross multiply
    97,998.48x = 146,881.08 × 56,358
  4. Step 4: Simplify right side
    97,998.48x = 8,277,923,906.64
  5. Step 5: Solve for x
    x = 8,277,923,906.64/97,998.48
  6. Step 6: Final answer
    x = 84,469.92

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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.