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Finding the Fourth Proportional to 121,447.70, 182,171.55 and 88,010.90

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Solution

The fourth proportional to 121,447.70, 182,171.55 and 88,010.90 is: 132,016.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,447.70 : 182,171.55 = 88,010.90 : x
  2. Step 2: Convert to fraction form
    121,447.70/182,171.55 = 88,010.90/x
  3. Step 3: Cross multiply
    121,447.70x = 182,171.55 × 88,010.90
  4. Step 4: Simplify right side
    121,447.70x = 16,033,082,069.90
  5. Step 5: Solve for x
    x = 16,033,082,069.90/121,447.70
  6. Step 6: Final answer
    x = 132,016.35

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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.