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Finding the Fourth Proportional to 83,238.66, 124,876.65 and 24,078.93

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Solution

The fourth proportional to 83,238.66, 124,876.65 and 24,078.93 is: 36,123.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,238.66 : 124,876.65 = 24,078.93 : x
  2. Step 2: Convert to fraction form
    83,238.66/124,876.65 = 24,078.93/x
  3. Step 3: Cross multiply
    83,238.66x = 124,876.65 × 24,078.93
  4. Step 4: Simplify right side
    83,238.66x = 3,006,896,113.98
  5. Step 5: Solve for x
    x = 3,006,896,113.98/83,238.66
  6. Step 6: Final answer
    x = 36,123.79

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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.