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Finding the Fourth Proportional to 239,785.66, 330,897.94 and 132,353.38

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Solution

The fourth proportional to 239,785.66, 330,897.94 and 132,353.38 is: 182,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,785.66 : 330,897.94 = 132,353.38 : x
  2. Step 2: Convert to fraction form
    239,785.66/330,897.94 = 132,353.38/x
  3. Step 3: Cross multiply
    239,785.66x = 330,897.94 × 132,353.38
  4. Step 4: Simplify right side
    239,785.66x = 43,795,460,794.04
  5. Step 5: Solve for x
    x = 43,795,460,794.04/239,785.66
  6. Step 6: Final answer
    x = 182,644.20

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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.