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Finding the Fourth Proportional to 59,871.69, 89,781.51 and 17,167.72

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Solution

The fourth proportional to 59,871.69, 89,781.51 and 17,167.72 is: 25,744.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,871.69 : 89,781.51 = 17,167.72 : x
  2. Step 2: Convert to fraction form
    59,871.69/89,781.51 = 17,167.72/x
  3. Step 3: Cross multiply
    59,871.69x = 89,781.51 × 17,167.72
  4. Step 4: Simplify right side
    59,871.69x = 1,541,343,824.86
  5. Step 5: Solve for x
    x = 1,541,343,824.86/59,871.69
  6. Step 6: Final answer
    x = 25,744.12

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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.