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Finding the Fourth Proportional to 237,417.28, 356,144.36 and 68,940.37

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Solution

The fourth proportional to 237,417.28, 356,144.36 and 68,940.37 is: 103,415.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,417.28 : 356,144.36 = 68,940.37 : x
  2. Step 2: Convert to fraction form
    237,417.28/356,144.36 = 68,940.37/x
  3. Step 3: Cross multiply
    237,417.28x = 356,144.36 × 68,940.37
  4. Step 4: Simplify right side
    237,417.28x = 24,552,723,951.81
  5. Step 5: Solve for x
    x = 24,552,723,951.81/237,417.28
  6. Step 6: Final answer
    x = 103,415.91

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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.