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Finding the Fourth Proportional to 166,765.62, 230,121.94 and 98,770.56

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Solution

The fourth proportional to 166,765.62, 230,121.94 and 98,770.56 is: 136,294.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,765.62 : 230,121.94 = 98,770.56 : x
  2. Step 2: Convert to fraction form
    166,765.62/230,121.94 = 98,770.56/x
  3. Step 3: Cross multiply
    166,765.62x = 230,121.94 × 98,770.56
  4. Step 4: Simplify right side
    166,765.62x = 22,729,272,882.09
  5. Step 5: Solve for x
    x = 22,729,272,882.09/166,765.62
  6. Step 6: Final answer
    x = 136,294.72

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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.