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Finding the Fourth Proportional to 121,449.52, 182,179.74 and 37,203.53

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Solution

The fourth proportional to 121,449.52, 182,179.74 and 37,203.53 is: 55,806.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,449.52 : 182,179.74 = 37,203.53 : x
  2. Step 2: Convert to fraction form
    121,449.52/182,179.74 = 37,203.53/x
  3. Step 3: Cross multiply
    121,449.52x = 182,179.74 × 37,203.53
  4. Step 4: Simplify right side
    121,449.52x = 6,777,729,422.48
  5. Step 5: Solve for x
    x = 6,777,729,422.48/121,449.52
  6. Step 6: Final answer
    x = 55,806.97

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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.