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Finding the Fourth Proportional to 239,073.66, 329,908.59 and 131,623.29

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Solution

The fourth proportional to 239,073.66, 329,908.59 and 131,623.29 is: 181,632.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,073.66 : 329,908.59 = 131,623.29 : x
  2. Step 2: Convert to fraction form
    239,073.66/329,908.59 = 131,623.29/x
  3. Step 3: Cross multiply
    239,073.66x = 329,908.59 × 131,623.29
  4. Step 4: Simplify right side
    239,073.66x = 43,423,654,015.06
  5. Step 5: Solve for x
    x = 43,423,654,015.06/239,073.66
  6. Step 6: Final answer
    x = 181,632.95

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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.