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Finding the Fourth Proportional to 83,496.65, 125,241.86 and 36,123.66

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Solution

The fourth proportional to 83,496.65, 125,241.86 and 36,123.66 is: 54,184.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,496.65 : 125,241.86 = 36,123.66 : x
  2. Step 2: Convert to fraction form
    83,496.65/125,241.86 = 36,123.66/x
  3. Step 3: Cross multiply
    83,496.65x = 125,241.86 × 36,123.66
  4. Step 4: Simplify right side
    83,496.65x = 4,524,194,458.72
  5. Step 5: Solve for x
    x = 4,524,194,458.72/83,496.65
  6. Step 6: Final answer
    x = 54,184.15

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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.