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Finding the Fourth Proportional to 239,793.34, 359,612.13 and 79,826.31

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Solution

The fourth proportional to 239,793.34, 359,612.13 and 79,826.31 is: 119,713.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,793.34 : 359,612.13 = 79,826.31 : x
  2. Step 2: Convert to fraction form
    239,793.34/359,612.13 = 79,826.31/x
  3. Step 3: Cross multiply
    239,793.34x = 359,612.13 × 79,826.31
  4. Step 4: Simplify right side
    239,793.34x = 28,706,509,369.14
  5. Step 5: Solve for x
    x = 28,706,509,369.14/239,793.34
  6. Step 6: Final answer
    x = 119,713.54

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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.