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Finding the Fourth Proportional to 88,236.60, 132,354.90 and 87,070.20

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Solution

The fourth proportional to 88,236.60, 132,354.90 and 87,070.20 is: 130,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,236.60 : 132,354.90 = 87,070.20 : x
  2. Step 2: Convert to fraction form
    88,236.60/132,354.90 = 87,070.20/x
  3. Step 3: Cross multiply
    88,236.60x = 132,354.90 × 87,070.20
  4. Step 4: Simplify right side
    88,236.60x = 11,524,167,613.98
  5. Step 5: Solve for x
    x = 11,524,167,613.98/88,236.60
  6. Step 6: Final answer
    x = 130,605.30

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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.