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Finding the Fourth Proportional to 240,680.55, 332,131.55 and 131,780.10

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Solution

The fourth proportional to 240,680.55, 332,131.55 and 131,780.10 is: 181,852.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,680.55 : 332,131.55 = 131,780.10 : x
  2. Step 2: Convert to fraction form
    240,680.55/332,131.55 = 131,780.10/x
  3. Step 3: Cross multiply
    240,680.55x = 332,131.55 × 131,780.10
  4. Step 4: Simplify right side
    240,680.55x = 43,768,328,872.16
  5. Step 5: Solve for x
    x = 43,768,328,872.16/240,680.55
  6. Step 6: Final answer
    x = 181,852.37

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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.