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Finding the Fourth Proportional to 167,379.66, 230,983.92 and 90,898.38

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Solution

The fourth proportional to 167,379.66, 230,983.92 and 90,898.38 is: 125,439.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,379.66 : 230,983.92 = 90,898.38 : x
  2. Step 2: Convert to fraction form
    167,379.66/230,983.92 = 90,898.38/x
  3. Step 3: Cross multiply
    167,379.66x = 230,983.92 × 90,898.38
  4. Step 4: Simplify right side
    167,379.66x = 20,996,064,134.05
  5. Step 5: Solve for x
    x = 20,996,064,134.05/167,379.66
  6. Step 6: Final answer
    x = 125,439.76

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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.