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Finding the Fourth Proportional to 88,250.60, 132,375.90 and 53,258.60

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Solution

The fourth proportional to 88,250.60, 132,375.90 and 53,258.60 is: 79,887.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,250.60 : 132,375.90 = 53,258.60 : x
  2. Step 2: Convert to fraction form
    88,250.60/132,375.90 = 53,258.60/x
  3. Step 3: Cross multiply
    88,250.60x = 132,375.90 × 53,258.60
  4. Step 4: Simplify right side
    88,250.60x = 7,050,155,107.74
  5. Step 5: Solve for x
    x = 7,050,155,107.74/88,250.60
  6. Step 6: Final answer
    x = 79,887.90

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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.