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Finding the Fourth Proportional to 239,462.64, 330,460.92 and 132,036.48

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Solution

The fourth proportional to 239,462.64, 330,460.92 and 132,036.48 is: 182,211.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,462.64 : 330,460.92 = 132,036.48 : x
  2. Step 2: Convert to fraction form
    239,462.64/330,460.92 = 132,036.48/x
  3. Step 3: Cross multiply
    239,462.64x = 330,460.92 × 132,036.48
  4. Step 4: Simplify right side
    239,462.64x = 43,632,896,654.36
  5. Step 5: Solve for x
    x = 43,632,896,654.36/239,462.64
  6. Step 6: Final answer
    x = 182,211.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.