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Finding the Fourth Proportional to 240,614.75, 360,922.13 and 74,402.75

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Solution

The fourth proportional to 240,614.75, 360,922.13 and 74,402.75 is: 111,604.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,614.75 : 360,922.13 = 74,402.75 : x
  2. Step 2: Convert to fraction form
    240,614.75/360,922.13 = 74,402.75/x
  3. Step 3: Cross multiply
    240,614.75x = 360,922.13 × 74,402.75
  4. Step 4: Simplify right side
    240,614.75x = 26,853,599,007.86
  5. Step 5: Solve for x
    x = 26,853,599,007.86/240,614.75
  6. Step 6: Final answer
    x = 111,604.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.