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Finding the Fourth Proportional to 240,616.37, 360,721.55 and 151,673.78

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Solution

The fourth proportional to 240,616.37, 360,721.55 and 151,673.78 is: 227,382.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,616.37 : 360,721.55 = 151,673.78 : x
  2. Step 2: Convert to fraction form
    240,616.37/360,721.55 = 151,673.78/x
  3. Step 3: Cross multiply
    240,616.37x = 360,721.55 × 151,673.78
  4. Step 4: Simplify right side
    240,616.37x = 54,712,002,296.95
  5. Step 5: Solve for x
    x = 54,712,002,296.95/240,616.37
  6. Step 6: Final answer
    x = 227,382.71

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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.