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Finding the Fourth Proportional to 239,523.78, 359,363.43 and 114,874.50

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Solution

The fourth proportional to 239,523.78, 359,363.43 and 114,874.50 is: 172,349.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,523.78 : 359,363.43 = 114,874.50 : x
  2. Step 2: Convert to fraction form
    239,523.78/359,363.43 = 114,874.50/x
  3. Step 3: Cross multiply
    239,523.78x = 359,363.43 × 114,874.50
  4. Step 4: Simplify right side
    239,523.78x = 41,281,694,339.54
  5. Step 5: Solve for x
    x = 41,281,694,339.54/239,523.78
  6. Step 6: Final answer
    x = 172,349.04

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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.