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Finding the Fourth Proportional to 240,042.70, 360,160.87 and 106,831.85

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Solution

The fourth proportional to 240,042.70, 360,160.87 and 106,831.85 is: 160,290.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,042.70 : 360,160.87 = 106,831.85 : x
  2. Step 2: Convert to fraction form
    240,042.70/360,160.87 = 106,831.85/x
  3. Step 3: Cross multiply
    240,042.70x = 360,160.87 × 106,831.85
  4. Step 4: Simplify right side
    240,042.70x = 38,476,650,105.37
  5. Step 5: Solve for x
    x = 38,476,650,105.37/240,042.70
  6. Step 6: Final answer
    x = 160,290.86

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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.