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Finding the Fourth Proportional to 121,703.52, 182,575.44 and 38,617.44

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Solution

The fourth proportional to 121,703.52, 182,575.44 and 38,617.44 is: 57,932.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,703.52 : 182,575.44 = 38,617.44 : x
  2. Step 2: Convert to fraction form
    121,703.52/182,575.44 = 38,617.44/x
  3. Step 3: Cross multiply
    121,703.52x = 182,575.44 × 38,617.44
  4. Step 4: Simplify right side
    121,703.52x = 7,050,596,099.67
  5. Step 5: Solve for x
    x = 7,050,596,099.67/121,703.52
  6. Step 6: Final answer
    x = 57,932.56

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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.