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Finding the Fourth Proportional to 59,240.80, 88,861.20 and 52,789.60

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Solution

The fourth proportional to 59,240.80, 88,861.20 and 52,789.60 is: 79,184.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,240.80 : 88,861.20 = 52,789.60 : x
  2. Step 2: Convert to fraction form
    59,240.80/88,861.20 = 52,789.60/x
  3. Step 3: Cross multiply
    59,240.80x = 88,861.20 × 52,789.60
  4. Step 4: Simplify right side
    59,240.80x = 4,690,947,203.52
  5. Step 5: Solve for x
    x = 4,690,947,203.52/59,240.80
  6. Step 6: Final answer
    x = 79,184.40

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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.