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Finding the Fourth Proportional to 67,542.60, 93,210.66 and 37,329.87

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Solution

The fourth proportional to 67,542.60, 93,210.66 and 37,329.87 is: 51,516.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,542.60 : 93,210.66 = 37,329.87 : x
  2. Step 2: Convert to fraction form
    67,542.60/93,210.66 = 37,329.87/x
  3. Step 3: Cross multiply
    67,542.60x = 93,210.66 × 37,329.87
  4. Step 4: Simplify right side
    67,542.60x = 3,479,541,820.41
  5. Step 5: Solve for x
    x = 3,479,541,820.41/67,542.60
  6. Step 6: Final answer
    x = 51,516.26

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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.