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Finding the Fourth Proportional to 88,711.20, 133,066.80 and 44,344.80

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Solution

The fourth proportional to 88,711.20, 133,066.80 and 44,344.80 is: 66,517.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,711.20 : 133,066.80 = 44,344.80 : x
  2. Step 2: Convert to fraction form
    88,711.20/133,066.80 = 44,344.80/x
  3. Step 3: Cross multiply
    88,711.20x = 133,066.80 × 44,344.80
  4. Step 4: Simplify right side
    88,711.20x = 5,900,820,632.64
  5. Step 5: Solve for x
    x = 5,900,820,632.64/88,711.20
  6. Step 6: Final answer
    x = 66,517.20

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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.