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Finding the Fourth Proportional to 71,575.60, 107,343.96 and 59,804.68

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Solution

The fourth proportional to 71,575.60, 107,343.96 and 59,804.68 is: 89,690.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,575.60 : 107,343.96 = 59,804.68 : x
  2. Step 2: Convert to fraction form
    71,575.60/107,343.96 = 59,804.68/x
  3. Step 3: Cross multiply
    71,575.60x = 107,343.96 × 59,804.68
  4. Step 4: Simplify right side
    71,575.60x = 6,419,671,177.73
  5. Step 5: Solve for x
    x = 6,419,671,177.73/71,575.60
  6. Step 6: Final answer
    x = 89,690.78

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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.