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Finding the Fourth Proportional to 166,586.38, 229,894.74 and 91,134.88

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Solution

The fourth proportional to 166,586.38, 229,894.74 and 91,134.88 is: 125,769.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,586.38 : 229,894.74 = 91,134.88 : x
  2. Step 2: Convert to fraction form
    166,586.38/229,894.74 = 91,134.88/x
  3. Step 3: Cross multiply
    166,586.38x = 229,894.74 × 91,134.88
  4. Step 4: Simplify right side
    166,586.38x = 20,951,429,542.53
  5. Step 5: Solve for x
    x = 20,951,429,542.53/166,586.38
  6. Step 6: Final answer
    x = 125,769.16

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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.