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Finding the Fourth Proportional to 267,170.98, 368,632.70 and 158,220.30

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Solution

The fourth proportional to 267,170.98, 368,632.70 and 158,220.30 is: 218,306.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,170.98 : 368,632.70 = 158,220.30 : x
  2. Step 2: Convert to fraction form
    267,170.98/368,632.70 = 158,220.30/x
  3. Step 3: Cross multiply
    267,170.98x = 368,632.70 × 158,220.30
  4. Step 4: Simplify right side
    267,170.98x = 58,325,176,383.81
  5. Step 5: Solve for x
    x = 58,325,176,383.81/267,170.98
  6. Step 6: Final answer
    x = 218,306.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.