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Finding the Fourth Proportional to 240,722.78, 332,202.60 and 131,831.69

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Solution

The fourth proportional to 240,722.78, 332,202.60 and 131,831.69 is: 181,930.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,722.78 : 332,202.60 = 131,831.69 : x
  2. Step 2: Convert to fraction form
    240,722.78/332,202.60 = 131,831.69/x
  3. Step 3: Cross multiply
    240,722.78x = 332,202.60 × 131,831.69
  4. Step 4: Simplify right side
    240,722.78x = 43,794,828,519.38
  5. Step 5: Solve for x
    x = 43,794,828,519.38/240,722.78
  6. Step 6: Final answer
    x = 181,930.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.