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Finding the Fourth Proportional to 179,679.40, 269,000.70 and 158,943.40

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Solution

The fourth proportional to 179,679.40, 269,000.70 and 158,943.40 is: 237,956.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,679.40 : 269,000.70 = 158,943.40 : x
  2. Step 2: Convert to fraction form
    179,679.40/269,000.70 = 158,943.40/x
  3. Step 3: Cross multiply
    179,679.40x = 269,000.70 × 158,943.40
  4. Step 4: Simplify right side
    179,679.40x = 42,755,885,860.38
  5. Step 5: Solve for x
    x = 42,755,885,860.38/179,679.40
  6. Step 6: Final answer
    x = 237,956.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.