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Finding the Fourth Proportional to 167,279.73, 230,846.56 and 90,798.88

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Solution

The fourth proportional to 167,279.73, 230,846.56 and 90,798.88 is: 125,302.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,279.73 : 230,846.56 = 90,798.88 : x
  2. Step 2: Convert to fraction form
    167,279.73/230,846.56 = 90,798.88/x
  3. Step 3: Cross multiply
    167,279.73x = 230,846.56 × 90,798.88
  4. Step 4: Simplify right side
    167,279.73x = 20,960,609,161.41
  5. Step 5: Solve for x
    x = 20,960,609,161.41/167,279.73
  6. Step 6: Final answer
    x = 125,302.75

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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.