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Finding the Fourth Proportional to 187,200.30, 280,800.45 and 62,541.30

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Solution

The fourth proportional to 187,200.30, 280,800.45 and 62,541.30 is: 93,811.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,200.30 : 280,800.45 = 62,541.30 : x
  2. Step 2: Convert to fraction form
    187,200.30/280,800.45 = 62,541.30/x
  3. Step 3: Cross multiply
    187,200.30x = 280,800.45 × 62,541.30
  4. Step 4: Simplify right side
    187,200.30x = 17,561,625,183.59
  5. Step 5: Solve for x
    x = 17,561,625,183.59/187,200.30
  6. Step 6: Final answer
    x = 93,811.95

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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.