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Finding the Fourth Proportional to 59,910.80, 89,747.40 and 52,523.60

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Solution

The fourth proportional to 59,910.80, 89,747.40 and 52,523.60 is: 78,681.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,910.80 : 89,747.40 = 52,523.60 : x
  2. Step 2: Convert to fraction form
    59,910.80/89,747.40 = 52,523.60/x
  3. Step 3: Cross multiply
    59,910.80x = 89,747.40 × 52,523.60
  4. Step 4: Simplify right side
    59,910.80x = 4,713,856,538.64
  5. Step 5: Solve for x
    x = 4,713,856,538.64/59,910.80
  6. Step 6: Final answer
    x = 78,681.25

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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.