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Finding the Fourth Proportional to 88,555.60, 132,919.80 and 44,232.40

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Solution

The fourth proportional to 88,555.60, 132,919.80 and 44,232.40 is: 66,391.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,555.60 : 132,919.80 = 44,232.40 : x
  2. Step 2: Convert to fraction form
    88,555.60/132,919.80 = 44,232.40/x
  3. Step 3: Cross multiply
    88,555.60x = 132,919.80 × 44,232.40
  4. Step 4: Simplify right side
    88,555.60x = 5,879,361,761.52
  5. Step 5: Solve for x
    x = 5,879,361,761.52/88,555.60
  6. Step 6: Final answer
    x = 66,391.76

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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.