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Finding the Fourth Proportional to 167,379.48, 230,982.96 and 90,898.04

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Solution

The fourth proportional to 167,379.48, 230,982.96 and 90,898.04 is: 125,438.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,379.48 : 230,982.96 = 90,898.04 : x
  2. Step 2: Convert to fraction form
    167,379.48/230,982.96 = 90,898.04/x
  3. Step 3: Cross multiply
    167,379.48x = 230,982.96 × 90,898.04
  4. Step 4: Simplify right side
    167,379.48x = 20,995,897,182.48
  5. Step 5: Solve for x
    x = 20,995,897,182.48/167,379.48
  6. Step 6: Final answer
    x = 125,438.90

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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.