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Finding the Fourth Proportional to 89,066.60, 133,599.90 and 88,452.20

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Solution

The fourth proportional to 89,066.60, 133,599.90 and 88,452.20 is: 132,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,066.60 : 133,599.90 = 88,452.20 : x
  2. Step 2: Convert to fraction form
    89,066.60/133,599.90 = 88,452.20/x
  3. Step 3: Cross multiply
    89,066.60x = 133,599.90 × 88,452.20
  4. Step 4: Simplify right side
    89,066.60x = 11,817,205,074.78
  5. Step 5: Solve for x
    x = 11,817,205,074.78/89,066.60
  6. Step 6: Final answer
    x = 132,678.30

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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.