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Finding the Fourth Proportional to 83,345.33, 124,975.47 and 27,149.29

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Solution

The fourth proportional to 83,345.33, 124,975.47 and 27,149.29 is: 40,710.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,345.33 : 124,975.47 = 27,149.29 : x
  2. Step 2: Convert to fraction form
    83,345.33/124,975.47 = 27,149.29/x
  3. Step 3: Cross multiply
    83,345.33x = 124,975.47 × 27,149.29
  4. Step 4: Simplify right side
    83,345.33x = 3,392,995,277.92
  5. Step 5: Solve for x
    x = 3,392,995,277.92/83,345.33
  6. Step 6: Final answer
    x = 40,710.08

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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.