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Finding the Fourth Proportional to 124,903.20, 187,354.80 and 41,797.20

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Solution

The fourth proportional to 124,903.20, 187,354.80 and 41,797.20 is: 62,695.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,903.20 : 187,354.80 = 41,797.20 : x
  2. Step 2: Convert to fraction form
    124,903.20/187,354.80 = 41,797.20/x
  3. Step 3: Cross multiply
    124,903.20x = 187,354.80 × 41,797.20
  4. Step 4: Simplify right side
    124,903.20x = 7,830,906,046.56
  5. Step 5: Solve for x
    x = 7,830,906,046.56/124,903.20
  6. Step 6: Final answer
    x = 62,695.80

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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.