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Finding the Fourth Proportional to 83,343.33, 124,972.47 and 27,147.29

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Solution

The fourth proportional to 83,343.33, 124,972.47 and 27,147.29 is: 40,707.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,343.33 : 124,972.47 = 27,147.29 : x
  2. Step 2: Convert to fraction form
    83,343.33/124,972.47 = 27,147.29/x
  3. Step 3: Cross multiply
    83,343.33x = 124,972.47 × 27,147.29
  4. Step 4: Simplify right side
    83,343.33x = 3,392,663,260.24
  5. Step 5: Solve for x
    x = 3,392,663,260.24/83,343.33
  6. Step 6: Final answer
    x = 40,707.08

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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.