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Finding the Fourth Proportional to 167,286.62, 230,849.31 and 90,804.08

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Solution

The fourth proportional to 167,286.62, 230,849.31 and 90,804.08 is: 125,306.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,286.62 : 230,849.31 = 90,804.08 : x
  2. Step 2: Convert to fraction form
    167,286.62/230,849.31 = 90,804.08/x
  3. Step 3: Cross multiply
    167,286.62x = 230,849.31 × 90,804.08
  4. Step 4: Simplify right side
    167,286.62x = 20,962,058,058.94
  5. Step 5: Solve for x
    x = 20,962,058,058.94/167,286.62
  6. Step 6: Final answer
    x = 125,306.25

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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.