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Finding the Fourth Proportional to 95,395.92, 142,902.96 and 57,424.08

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Solution

The fourth proportional to 95,395.92, 142,902.96 and 57,424.08 is: 86,021.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,395.92 : 142,902.96 = 57,424.08 : x
  2. Step 2: Convert to fraction form
    95,395.92/142,902.96 = 57,424.08/x
  3. Step 3: Cross multiply
    95,395.92x = 142,902.96 × 57,424.08
  4. Step 4: Simplify right side
    95,395.92x = 8,206,071,007.28
  5. Step 5: Solve for x
    x = 8,206,071,007.28/95,395.92
  6. Step 6: Final answer
    x = 86,021.19

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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.