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Finding the Fourth Proportional to 121,453.70, 182,180.55 and 88,016.90

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Solution

The fourth proportional to 121,453.70, 182,180.55 and 88,016.90 is: 132,025.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,453.70 : 182,180.55 = 88,016.90 : x
  2. Step 2: Convert to fraction form
    121,453.70/182,180.55 = 88,016.90/x
  3. Step 3: Cross multiply
    121,453.70x = 182,180.55 × 88,016.90
  4. Step 4: Simplify right side
    121,453.70x = 16,034,967,251.30
  5. Step 5: Solve for x
    x = 16,034,967,251.30/121,453.70
  6. Step 6: Final answer
    x = 132,025.35

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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.