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Finding the Fourth Proportional to 73,864.74, 101,933.46 and 42,033.90

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Solution

The fourth proportional to 73,864.74, 101,933.46 and 42,033.90 is: 58,006.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,864.74 : 101,933.46 = 42,033.90 : x
  2. Step 2: Convert to fraction form
    73,864.74/101,933.46 = 42,033.90/x
  3. Step 3: Cross multiply
    73,864.74x = 101,933.46 × 42,033.90
  4. Step 4: Simplify right side
    73,864.74x = 4,284,660,864.29
  5. Step 5: Solve for x
    x = 4,284,660,864.29/73,864.74
  6. Step 6: Final answer
    x = 58,006.85

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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.