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Finding the Fourth Proportional to 166,773.70, 230,147.75 and 90,292.78

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Solution

The fourth proportional to 166,773.70, 230,147.75 and 90,292.78 is: 124,604.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,773.70 : 230,147.75 = 90,292.78 : x
  2. Step 2: Convert to fraction form
    166,773.70/230,147.75 = 90,292.78/x
  3. Step 3: Cross multiply
    166,773.70x = 230,147.75 × 90,292.78
  4. Step 4: Simplify right side
    166,773.70x = 20,780,680,158.25
  5. Step 5: Solve for x
    x = 20,780,680,158.25/166,773.70
  6. Step 6: Final answer
    x = 124,604.06

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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.