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Finding the Fourth Proportional to 88,147.92, 132,230.28 and 28,984.08

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Solution

The fourth proportional to 88,147.92, 132,230.28 and 28,984.08 is: 43,478.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,147.92 : 132,230.28 = 28,984.08 : x
  2. Step 2: Convert to fraction form
    88,147.92/132,230.28 = 28,984.08/x
  3. Step 3: Cross multiply
    88,147.92x = 132,230.28 × 28,984.08
  4. Step 4: Simplify right side
    88,147.92x = 3,832,573,013.94
  5. Step 5: Solve for x
    x = 3,832,573,013.94/88,147.92
  6. Step 6: Final answer
    x = 43,478.88

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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.