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Finding the Fourth Proportional to 121,305.99, 181,933.89 and 32,538.39

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Solution

The fourth proportional to 121,305.99, 181,933.89 and 32,538.39 is: 48,800.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,305.99 : 181,933.89 = 32,538.39 : x
  2. Step 2: Convert to fraction form
    121,305.99/181,933.89 = 32,538.39/x
  3. Step 3: Cross multiply
    121,305.99x = 181,933.89 × 32,538.39
  4. Step 4: Simplify right side
    121,305.99x = 5,919,835,867.04
  5. Step 5: Solve for x
    x = 5,919,835,867.04/121,305.99
  6. Step 6: Final answer
    x = 48,800.85

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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.