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Finding the Fourth Proportional to 239,761.72, 359,557.93 and 79,794.41

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Solution

The fourth proportional to 239,761.72, 359,557.93 and 79,794.41 is: 119,663.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,761.72 : 359,557.93 = 79,794.41 : x
  2. Step 2: Convert to fraction form
    239,761.72/359,557.93 = 79,794.41/x
  3. Step 3: Cross multiply
    239,761.72x = 359,557.93 × 79,794.41
  4. Step 4: Simplify right side
    239,761.72x = 28,690,713,584.58
  5. Step 5: Solve for x
    x = 28,690,713,584.58/239,761.72
  6. Step 6: Final answer
    x = 119,663.45

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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.