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Finding the Fourth Proportional to 91,778.60, 137,651.50 and 24,311.12

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Solution

The fourth proportional to 91,778.60, 137,651.50 and 24,311.12 is: 36,462.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,778.60 : 137,651.50 = 24,311.12 : x
  2. Step 2: Convert to fraction form
    91,778.60/137,651.50 = 24,311.12/x
  3. Step 3: Cross multiply
    91,778.60x = 137,651.50 × 24,311.12
  4. Step 4: Simplify right side
    91,778.60x = 3,346,462,134.68
  5. Step 5: Solve for x
    x = 3,346,462,134.68/91,778.60
  6. Step 6: Final answer
    x = 36,462.34

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.