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Finding the Fourth Proportional to 73,127.53, 109,691.30 and 17,723.53

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Solution

The fourth proportional to 73,127.53, 109,691.30 and 17,723.53 is: 26,585.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,127.53 : 109,691.30 = 17,723.53 : x
  2. Step 2: Convert to fraction form
    73,127.53/109,691.30 = 17,723.53/x
  3. Step 3: Cross multiply
    73,127.53x = 109,691.30 × 17,723.53
  4. Step 4: Simplify right side
    73,127.53x = 1,944,117,046.29
  5. Step 5: Solve for x
    x = 1,944,117,046.29/73,127.53
  6. Step 6: Final answer
    x = 26,585.30

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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.