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Finding the Fourth Proportional to 83,153.52, 124,734.60 and 41,586.48

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Solution

The fourth proportional to 83,153.52, 124,734.60 and 41,586.48 is: 62,381.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,153.52 : 124,734.60 = 41,586.48 : x
  2. Step 2: Convert to fraction form
    83,153.52/124,734.60 = 41,586.48/x
  3. Step 3: Cross multiply
    83,153.52x = 124,734.60 × 41,586.48
  4. Step 4: Simplify right side
    83,153.52x = 5,187,272,948.21
  5. Step 5: Solve for x
    x = 5,187,272,948.21/83,153.52
  6. Step 6: Final answer
    x = 62,381.88

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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.