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Finding the Fourth Proportional to 237,440.72, 356,179.60 and 68,963.80

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Solution

The fourth proportional to 237,440.72, 356,179.60 and 68,963.80 is: 103,451.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,440.72 : 356,179.60 = 68,963.80 : x
  2. Step 2: Convert to fraction form
    237,440.72/356,179.60 = 68,963.80/x
  3. Step 3: Cross multiply
    237,440.72x = 356,179.60 × 68,963.80
  4. Step 4: Simplify right side
    237,440.72x = 24,563,498,698.48
  5. Step 5: Solve for x
    x = 24,563,498,698.48/237,440.72
  6. Step 6: Final answer
    x = 103,451.08

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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.