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Finding the Fourth Proportional to 220,252.88, 303,939.24 and 124,757.66

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Solution

The fourth proportional to 220,252.88, 303,939.24 and 124,757.66 is: 172,160.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,252.88 : 303,939.24 = 124,757.66 : x
  2. Step 2: Convert to fraction form
    220,252.88/303,939.24 = 124,757.66/x
  3. Step 3: Cross multiply
    220,252.88x = 303,939.24 × 124,757.66
  4. Step 4: Simplify right side
    220,252.88x = 37,918,748,364.58
  5. Step 5: Solve for x
    x = 37,918,748,364.58/220,252.88
  6. Step 6: Final answer
    x = 172,160.06

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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.