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Finding the Fourth Proportional to 120,934.68, 181,402.42 and 36,695.56

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Solution

The fourth proportional to 120,934.68, 181,402.42 and 36,695.56 is: 55,043.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,934.68 : 181,402.42 = 36,695.56 : x
  2. Step 2: Convert to fraction form
    120,934.68/181,402.42 = 36,695.56/x
  3. Step 3: Cross multiply
    120,934.68x = 181,402.42 × 36,695.56
  4. Step 4: Simplify right side
    120,934.68x = 6,656,663,387.26
  5. Step 5: Solve for x
    x = 6,656,663,387.26/120,934.68
  6. Step 6: Final answer
    x = 55,043.46

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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.