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Finding the Fourth Proportional to 167,425.57, 231,047.11 and 90,944.72

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Solution

The fourth proportional to 167,425.57, 231,047.11 and 90,944.72 is: 125,503.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,425.57 : 231,047.11 = 90,944.72 : x
  2. Step 2: Convert to fraction form
    167,425.57/231,047.11 = 90,944.72/x
  3. Step 3: Cross multiply
    167,425.57x = 231,047.11 × 90,944.72
  4. Step 4: Simplify right side
    167,425.57x = 21,012,514,725.76
  5. Step 5: Solve for x
    x = 21,012,514,725.76/167,425.57
  6. Step 6: Final answer
    x = 125,503.62

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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.