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Finding the Fourth Proportional to 59,302.65, 81,856.71 and 39,177.39

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Solution

The fourth proportional to 59,302.65, 81,856.71 and 39,177.39 is: 54,077.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,302.65 : 81,856.71 = 39,177.39 : x
  2. Step 2: Convert to fraction form
    59,302.65/81,856.71 = 39,177.39/x
  3. Step 3: Cross multiply
    59,302.65x = 81,856.71 × 39,177.39
  4. Step 4: Simplify right side
    59,302.65x = 3,206,932,251.79
  5. Step 5: Solve for x
    x = 3,206,932,251.79/59,302.65
  6. Step 6: Final answer
    x = 54,077.39

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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.