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Finding the Fourth Proportional to 202,753.30, 304,060.76 and 82,791.57

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Solution

The fourth proportional to 202,753.30, 304,060.76 and 82,791.57 is: 124,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,753.30 : 304,060.76 = 82,791.57 : x
  2. Step 2: Convert to fraction form
    202,753.30/304,060.76 = 82,791.57/x
  3. Step 3: Cross multiply
    202,753.30x = 304,060.76 × 82,791.57
  4. Step 4: Simplify right side
    202,753.30x = 25,173,667,695.79
  5. Step 5: Solve for x
    x = 25,173,667,695.79/202,753.30
  6. Step 6: Final answer
    x = 124,159.10

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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.