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Finding the Fourth Proportional to 99,000.60, 148,500.90 and 88,114.20

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Solution

The fourth proportional to 99,000.60, 148,500.90 and 88,114.20 is: 132,171.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,000.60 : 148,500.90 = 88,114.20 : x
  2. Step 2: Convert to fraction form
    99,000.60/148,500.90 = 88,114.20/x
  3. Step 3: Cross multiply
    99,000.60x = 148,500.90 × 88,114.20
  4. Step 4: Simplify right side
    99,000.60x = 13,085,038,002.78
  5. Step 5: Solve for x
    x = 13,085,038,002.78/99,000.60
  6. Step 6: Final answer
    x = 132,171.30

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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.