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Finding the Fourth Proportional to 121,061.60, 166,882.92 and 95,523.92

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Solution

The fourth proportional to 121,061.60, 166,882.92 and 95,523.92 is: 131,679.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,061.60 : 166,882.92 = 95,523.92 : x
  2. Step 2: Convert to fraction form
    121,061.60/166,882.92 = 95,523.92/x
  3. Step 3: Cross multiply
    121,061.60x = 166,882.92 × 95,523.92
  4. Step 4: Simplify right side
    121,061.60x = 15,941,310,699.45
  5. Step 5: Solve for x
    x = 15,941,310,699.45/121,061.60
  6. Step 6: Final answer
    x = 131,679.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.