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Finding the Fourth Proportional to 159,443.85, 239,195.22 and 65,956.89

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Solution

The fourth proportional to 159,443.85, 239,195.22 and 65,956.89 is: 98,947.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,443.85 : 239,195.22 = 65,956.89 : x
  2. Step 2: Convert to fraction form
    159,443.85/239,195.22 = 65,956.89/x
  3. Step 3: Cross multiply
    159,443.85x = 239,195.22 × 65,956.89
  4. Step 4: Simplify right side
    159,443.85x = 15,776,572,814.07
  5. Step 5: Solve for x
    x = 15,776,572,814.07/159,443.85
  6. Step 6: Final answer
    x = 98,947.52

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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.