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Finding the Fourth Proportional to 73,288.75, 101,138.48 and 41,456.97

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Solution

The fourth proportional to 73,288.75, 101,138.48 and 41,456.97 is: 57,210.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,288.75 : 101,138.48 = 41,456.97 : x
  2. Step 2: Convert to fraction form
    73,288.75/101,138.48 = 41,456.97/x
  3. Step 3: Cross multiply
    73,288.75x = 101,138.48 × 41,456.97
  4. Step 4: Simplify right side
    73,288.75x = 4,192,894,931.21
  5. Step 5: Solve for x
    x = 4,192,894,931.21/73,288.75
  6. Step 6: Final answer
    x = 57,210.62

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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.