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Finding the Fourth Proportional to 167,294.88, 230,866 and 90,815.52

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Solution

The fourth proportional to 167,294.88, 230,866 and 90,815.52 is: 125,324.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,294.88 : 230,866 = 90,815.52 : x
  2. Step 2: Convert to fraction form
    167,294.88/230,866 = 90,815.52/x
  3. Step 3: Cross multiply
    167,294.88x = 230,866 × 90,815.52
  4. Step 4: Simplify right side
    167,294.88x = 20,966,215,840.32
  5. Step 5: Solve for x
    x = 20,966,215,840.32/167,294.88
  6. Step 6: Final answer
    x = 125,324.91

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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.