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Finding the Fourth Proportional to 240,393.15, 360,766.89 and 114,033.78

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Solution

The fourth proportional to 240,393.15, 360,766.89 and 114,033.78 is: 171,134.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,393.15 : 360,766.89 = 114,033.78 : x
  2. Step 2: Convert to fraction form
    240,393.15/360,766.89 = 114,033.78/x
  3. Step 3: Cross multiply
    240,393.15x = 360,766.89 × 114,033.78
  4. Step 4: Simplify right side
    240,393.15x = 41,139,612,165.54
  5. Step 5: Solve for x
    x = 41,139,612,165.54/240,393.15
  6. Step 6: Final answer
    x = 171,134.71

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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.