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Finding the Fourth Proportional to 237,382.55, 356,108.85 and 68,880.97

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Solution

The fourth proportional to 237,382.55, 356,108.85 and 68,880.97 is: 103,331.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,382.55 : 356,108.85 = 68,880.97 : x
  2. Step 2: Convert to fraction form
    237,382.55/356,108.85 = 68,880.97/x
  3. Step 3: Cross multiply
    237,382.55x = 356,108.85 × 68,880.97
  4. Step 4: Simplify right side
    237,382.55x = 24,529,123,013.58
  5. Step 5: Solve for x
    x = 24,529,123,013.58/237,382.55
  6. Step 6: Final answer
    x = 103,331.62

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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.