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Finding the Fourth Proportional to 88,149.60, 132,243.84 and 28,982.88

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Solution

The fourth proportional to 88,149.60, 132,243.84 and 28,982.88 is: 43,480.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,149.60 : 132,243.84 = 28,982.88 : x
  2. Step 2: Convert to fraction form
    88,149.60/132,243.84 = 28,982.88/x
  3. Step 3: Cross multiply
    88,149.60x = 132,243.84 × 28,982.88
  4. Step 4: Simplify right side
    88,149.60x = 3,832,807,345.46
  5. Step 5: Solve for x
    x = 3,832,807,345.46/88,149.60
  6. Step 6: Final answer
    x = 43,480.71

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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.