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Finding the Fourth Proportional to 166,951.27, 230,393.46 and 90,470.53

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Solution

The fourth proportional to 166,951.27, 230,393.46 and 90,470.53 is: 124,849.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,951.27 : 230,393.46 = 90,470.53 : x
  2. Step 2: Convert to fraction form
    166,951.27/230,393.46 = 90,470.53/x
  3. Step 3: Cross multiply
    166,951.27x = 230,393.46 × 90,470.53
  4. Step 4: Simplify right side
    166,951.27x = 20,843,818,434.73
  5. Step 5: Solve for x
    x = 20,843,818,434.73/166,951.27
  6. Step 6: Final answer
    x = 124,849.71

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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.