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Finding the Fourth Proportional to 363,947.40, 545,937.30 and 124,057.80

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Solution

The fourth proportional to 363,947.40, 545,937.30 and 124,057.80 is: 186,092.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,947.40 : 545,937.30 = 124,057.80 : x
  2. Step 2: Convert to fraction form
    363,947.40/545,937.30 = 124,057.80/x
  3. Step 3: Cross multiply
    363,947.40x = 545,937.30 × 124,057.80
  4. Step 4: Simplify right side
    363,947.40x = 67,727,780,375.94
  5. Step 5: Solve for x
    x = 67,727,780,375.94/363,947.40
  6. Step 6: Final answer
    x = 186,092.22

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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.