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Finding the Fourth Proportional to 240,672.18, 332,114.98 and 131,755.64

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Solution

The fourth proportional to 240,672.18, 332,114.98 and 131,755.64 is: 181,815.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,672.18 : 332,114.98 = 131,755.64 : x
  2. Step 2: Convert to fraction form
    240,672.18/332,114.98 = 131,755.64/x
  3. Step 3: Cross multiply
    240,672.18x = 332,114.98 × 131,755.64
  4. Step 4: Simplify right side
    240,672.18x = 43,758,021,743.49
  5. Step 5: Solve for x
    x = 43,758,021,743.49/240,672.18
  6. Step 6: Final answer
    x = 181,815.87

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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.