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Finding the Fourth Proportional to 73,309.92, 101,167.92 and 39,776.16

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Solution

The fourth proportional to 73,309.92, 101,167.92 and 39,776.16 is: 54,891.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,309.92 : 101,167.92 = 39,776.16 : x
  2. Step 2: Convert to fraction form
    73,309.92/101,167.92 = 39,776.16/x
  3. Step 3: Cross multiply
    73,309.92x = 101,167.92 × 39,776.16
  4. Step 4: Simplify right side
    73,309.92x = 4,024,071,372.79
  5. Step 5: Solve for x
    x = 4,024,071,372.79/73,309.92
  6. Step 6: Final answer
    x = 54,891.23

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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.