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Finding the Fourth Proportional to 167,305.56, 230,878.80 and 91,853.52

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Solution

The fourth proportional to 167,305.56, 230,878.80 and 91,853.52 is: 126,756.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,305.56 : 230,878.80 = 91,853.52 : x
  2. Step 2: Convert to fraction form
    167,305.56/230,878.80 = 91,853.52/x
  3. Step 3: Cross multiply
    167,305.56x = 230,878.80 × 91,853.52
  4. Step 4: Simplify right side
    167,305.56x = 21,207,030,473.38
  5. Step 5: Solve for x
    x = 21,207,030,473.38/167,305.56
  6. Step 6: Final answer
    x = 126,756.28

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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.