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Finding the Fourth Proportional to 239,042, 329,877.96 and 133,058

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Solution

The fourth proportional to 239,042, 329,877.96 and 133,058 is: 183,620.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,042 : 329,877.96 = 133,058 : x
  2. Step 2: Convert to fraction form
    239,042/329,877.96 = 133,058/x
  3. Step 3: Cross multiply
    239,042x = 329,877.96 × 133,058
  4. Step 4: Simplify right side
    239,042x = 43,892,901,601.68
  5. Step 5: Solve for x
    x = 43,892,901,601.68/239,042
  6. Step 6: Final answer
    x = 183,620.04

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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.