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Finding the Fourth Proportional to 167,189.18, 230,721.10 and 95,570.78

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Solution

The fourth proportional to 167,189.18, 230,721.10 and 95,570.78 is: 131,887.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,189.18 : 230,721.10 = 95,570.78 : x
  2. Step 2: Convert to fraction form
    167,189.18/230,721.10 = 95,570.78/x
  3. Step 3: Cross multiply
    167,189.18x = 230,721.10 × 95,570.78
  4. Step 4: Simplify right side
    167,189.18x = 22,050,195,489.46
  5. Step 5: Solve for x
    x = 22,050,195,489.46/167,189.18
  6. Step 6: Final answer
    x = 131,887.69

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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.