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Finding the Fourth Proportional to 237,406.57, 356,144.94 and 68,905.06

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Solution

The fourth proportional to 237,406.57, 356,144.94 and 68,905.06 is: 103,367.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,406.57 : 356,144.94 = 68,905.06 : x
  2. Step 2: Convert to fraction form
    237,406.57/356,144.94 = 68,905.06/x
  3. Step 3: Cross multiply
    237,406.57x = 356,144.94 × 68,905.06
  4. Step 4: Simplify right side
    237,406.57x = 24,540,187,569.03
  5. Step 5: Solve for x
    x = 24,540,187,569.03/237,406.57
  6. Step 6: Final answer
    x = 103,367.77

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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.