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Finding the Fourth Proportional to 73,951.04, 101,963.13 and 51,309.38

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Solution

The fourth proportional to 73,951.04, 101,963.13 and 51,309.38 is: 70,744.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,951.04 : 101,963.13 = 51,309.38 : x
  2. Step 2: Convert to fraction form
    73,951.04/101,963.13 = 51,309.38/x
  3. Step 3: Cross multiply
    73,951.04x = 101,963.13 × 51,309.38
  4. Step 4: Simplify right side
    73,951.04x = 5,231,664,983.16
  5. Step 5: Solve for x
    x = 5,231,664,983.16/73,951.04
  6. Step 6: Final answer
    x = 70,744.98

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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.