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Finding the Fourth Proportional to 83,866.80, 125,816.40 and 24,704.40

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Solution

The fourth proportional to 83,866.80, 125,816.40 and 24,704.40 is: 37,061.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,866.80 : 125,816.40 = 24,704.40 : x
  2. Step 2: Convert to fraction form
    83,866.80/125,816.40 = 24,704.40/x
  3. Step 3: Cross multiply
    83,866.80x = 125,816.40 × 24,704.40
  4. Step 4: Simplify right side
    83,866.80x = 3,108,218,672.16
  5. Step 5: Solve for x
    x = 3,108,218,672.16/83,866.80
  6. Step 6: Final answer
    x = 37,061.37

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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.