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Finding the Fourth Proportional to 240,616.52, 360,944.20 and 74,404.52

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Solution

The fourth proportional to 240,616.52, 360,944.20 and 74,404.52 is: 111,612.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,616.52 : 360,944.20 = 74,404.52 : x
  2. Step 2: Convert to fraction form
    240,616.52/360,944.20 = 74,404.52/x
  3. Step 3: Cross multiply
    240,616.52x = 360,944.20 × 74,404.52
  4. Step 4: Simplify right side
    240,616.52x = 26,855,879,947.78
  5. Step 5: Solve for x
    x = 26,855,879,947.78/240,616.52
  6. Step 6: Final answer
    x = 111,612.79

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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.