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Finding the Fourth Proportional to 90,151.26, 124,419.60 and 52,425.54

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Solution

The fourth proportional to 90,151.26, 124,419.60 and 52,425.54 is: 72,353.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,151.26 : 124,419.60 = 52,425.54 : x
  2. Step 2: Convert to fraction form
    90,151.26/124,419.60 = 52,425.54/x
  3. Step 3: Cross multiply
    90,151.26x = 124,419.60 × 52,425.54
  4. Step 4: Simplify right side
    90,151.26x = 6,522,764,716.58
  5. Step 5: Solve for x
    x = 6,522,764,716.58/90,151.26
  6. Step 6: Final answer
    x = 72,353.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.