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Finding the Fourth Proportional to 59,321.80, 88,979.92 and 17,200.60

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Solution

The fourth proportional to 59,321.80, 88,979.92 and 17,200.60 is: 25,800.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,321.80 : 88,979.92 = 17,200.60 : x
  2. Step 2: Convert to fraction form
    59,321.80/88,979.92 = 17,200.60/x
  3. Step 3: Cross multiply
    59,321.80x = 88,979.92 × 17,200.60
  4. Step 4: Simplify right side
    59,321.80x = 1,530,508,011.95
  5. Step 5: Solve for x
    x = 1,530,508,011.95/59,321.80
  6. Step 6: Final answer
    x = 25,800.09

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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.