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Finding the Fourth Proportional to 124,940.52, 187,371.90 and 36,200.16

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Solution

The fourth proportional to 124,940.52, 187,371.90 and 36,200.16 is: 54,288.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,940.52 : 187,371.90 = 36,200.16 : x
  2. Step 2: Convert to fraction form
    124,940.52/187,371.90 = 36,200.16/x
  3. Step 3: Cross multiply
    124,940.52x = 187,371.90 × 36,200.16
  4. Step 4: Simplify right side
    124,940.52x = 6,782,892,759.50
  5. Step 5: Solve for x
    x = 6,782,892,759.50/124,940.52
  6. Step 6: Final answer
    x = 54,288.97

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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.