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Finding the Fourth Proportional to 73,959.53, 102,001.28 and 62,530.17

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Solution

The fourth proportional to 73,959.53, 102,001.28 and 62,530.17 is: 86,238.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,959.53 : 102,001.28 = 62,530.17 : x
  2. Step 2: Convert to fraction form
    73,959.53/102,001.28 = 62,530.17/x
  3. Step 3: Cross multiply
    73,959.53x = 102,001.28 × 62,530.17
  4. Step 4: Simplify right side
    73,959.53x = 6,378,157,065.97
  5. Step 5: Solve for x
    x = 6,378,157,065.97/73,959.53
  6. Step 6: Final answer
    x = 86,238.48

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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.