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Finding the Fourth Proportional to 95,402.70, 131,813.19 and 71,608.14

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Solution

The fourth proportional to 95,402.70, 131,813.19 and 71,608.14 is: 98,937.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,402.70 : 131,813.19 = 71,608.14 : x
  2. Step 2: Convert to fraction form
    95,402.70/131,813.19 = 71,608.14/x
  3. Step 3: Cross multiply
    95,402.70x = 131,813.19 × 71,608.14
  4. Step 4: Simplify right side
    95,402.70x = 9,438,897,363.37
  5. Step 5: Solve for x
    x = 9,438,897,363.37/95,402.70
  6. Step 6: Final answer
    x = 98,937.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.