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Finding the Fourth Proportional to 99,522.80, 149,284.20 and 97,882.55

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Solution

The fourth proportional to 99,522.80, 149,284.20 and 97,882.55 is: 146,823.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,522.80 : 149,284.20 = 97,882.55 : x
  2. Step 2: Convert to fraction form
    99,522.80/149,284.20 = 97,882.55/x
  3. Step 3: Cross multiply
    99,522.80x = 149,284.20 × 97,882.55
  4. Step 4: Simplify right side
    99,522.80x = 14,612,318,170.71
  5. Step 5: Solve for x
    x = 14,612,318,170.71/99,522.80
  6. Step 6: Final answer
    x = 146,823.83

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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.