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Finding the Fourth Proportional to 167,951.18, 231,755.48 and 103,410.18

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Solution

The fourth proportional to 167,951.18, 231,755.48 and 103,410.18 is: 142,695.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,951.18 : 231,755.48 = 103,410.18 : x
  2. Step 2: Convert to fraction form
    167,951.18/231,755.48 = 103,410.18/x
  3. Step 3: Cross multiply
    167,951.18x = 231,755.48 × 103,410.18
  4. Step 4: Simplify right side
    167,951.18x = 23,965,875,902.79
  5. Step 5: Solve for x
    x = 23,965,875,902.79/167,951.18
  6. Step 6: Final answer
    x = 142,695.49

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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.