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Finding the Fourth Proportional to 215,254.56, 297,046.66 and 124,614.36

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Solution

The fourth proportional to 215,254.56, 297,046.66 and 124,614.36 is: 171,965.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,254.56 : 297,046.66 = 124,614.36 : x
  2. Step 2: Convert to fraction form
    215,254.56/297,046.66 = 124,614.36/x
  3. Step 3: Cross multiply
    215,254.56x = 297,046.66 × 124,614.36
  4. Step 4: Simplify right side
    215,254.56x = 37,016,279,426.04
  5. Step 5: Solve for x
    x = 37,016,279,426.04/215,254.56
  6. Step 6: Final answer
    x = 171,965.13

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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.