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Finding the Fourth Proportional to 120,773.68, 181,102.20 and 50,634.16

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Solution

The fourth proportional to 120,773.68, 181,102.20 and 50,634.16 is: 75,926.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,773.68 : 181,102.20 = 50,634.16 : x
  2. Step 2: Convert to fraction form
    120,773.68/181,102.20 = 50,634.16/x
  3. Step 3: Cross multiply
    120,773.68x = 181,102.20 × 50,634.16
  4. Step 4: Simplify right side
    120,773.68x = 9,169,957,771.15
  5. Step 5: Solve for x
    x = 9,169,957,771.15/120,773.68
  6. Step 6: Final answer
    x = 75,926.79

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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.