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Finding the Fourth Proportional to 71,453.52, 107,188.92 and 29,900.88

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Solution

The fourth proportional to 71,453.52, 107,188.92 and 29,900.88 is: 44,854.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,453.52 : 107,188.92 = 29,900.88 : x
  2. Step 2: Convert to fraction form
    71,453.52/107,188.92 = 29,900.88/x
  3. Step 3: Cross multiply
    71,453.52x = 107,188.92 × 29,900.88
  4. Step 4: Simplify right side
    71,453.52x = 3,205,043,034.25
  5. Step 5: Solve for x
    x = 3,205,043,034.25/71,453.52
  6. Step 6: Final answer
    x = 44,854.94

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1.5x scale

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.