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Finding the Fourth Proportional to 240,707.09, 332,180.80 and 131,815.96

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Solution

The fourth proportional to 240,707.09, 332,180.80 and 131,815.96 is: 181,908.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,707.09 : 332,180.80 = 131,815.96 : x
  2. Step 2: Convert to fraction form
    240,707.09/332,180.80 = 131,815.96/x
  3. Step 3: Cross multiply
    240,707.09x = 332,180.80 × 131,815.96
  4. Step 4: Simplify right side
    240,707.09x = 43,786,729,885.58
  5. Step 5: Solve for x
    x = 43,786,729,885.58/240,707.09
  6. Step 6: Final answer
    x = 181,908.76

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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.