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Finding the Fourth Proportional to 83,248.80, 124,889.40 and 24,086.40

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Solution

The fourth proportional to 83,248.80, 124,889.40 and 24,086.40 is: 36,134.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,248.80 : 124,889.40 = 24,086.40 : x
  2. Step 2: Convert to fraction form
    83,248.80/124,889.40 = 24,086.40/x
  3. Step 3: Cross multiply
    83,248.80x = 124,889.40 × 24,086.40
  4. Step 4: Simplify right side
    83,248.80x = 3,008,136,044.16
  5. Step 5: Solve for x
    x = 3,008,136,044.16/83,248.80
  6. Step 6: Final answer
    x = 36,134.29

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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.