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Finding the Fourth Proportional to 166,951.55, 230,392.59 and 90,470.94

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Solution

The fourth proportional to 166,951.55, 230,392.59 and 90,470.94 is: 124,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,951.55 : 230,392.59 = 90,470.94 : x
  2. Step 2: Convert to fraction form
    166,951.55/230,392.59 = 90,470.94/x
  3. Step 3: Cross multiply
    166,951.55x = 230,392.59 × 90,470.94
  4. Step 4: Simplify right side
    166,951.55x = 20,843,834,186.33
  5. Step 5: Solve for x
    x = 20,843,834,186.33/166,951.55
  6. Step 6: Final answer
    x = 124,849.60

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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.