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Finding the Fourth Proportional to 73,893.25, 101,972.79 and 42,062.17

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Solution

The fourth proportional to 73,893.25, 101,972.79 and 42,062.17 is: 58,045.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,893.25 : 101,972.79 = 42,062.17 : x
  2. Step 2: Convert to fraction form
    73,893.25/101,972.79 = 42,062.17/x
  3. Step 3: Cross multiply
    73,893.25x = 101,972.79 × 42,062.17
  4. Step 4: Simplify right side
    73,893.25x = 4,289,196,828.35
  5. Step 5: Solve for x
    x = 4,289,196,828.35/73,893.25
  6. Step 6: Final answer
    x = 58,045.85

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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.