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Finding the Fourth Proportional to 120,833.70, 181,250.55 and 41,939.70

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Solution

The fourth proportional to 120,833.70, 181,250.55 and 41,939.70 is: 62,909.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,833.70 : 181,250.55 = 41,939.70 : x
  2. Step 2: Convert to fraction form
    120,833.70/181,250.55 = 41,939.70/x
  3. Step 3: Cross multiply
    120,833.70x = 181,250.55 × 41,939.70
  4. Step 4: Simplify right side
    120,833.70x = 7,601,593,691.84
  5. Step 5: Solve for x
    x = 7,601,593,691.84/120,833.70
  6. Step 6: Final answer
    x = 62,909.55

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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.