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Finding the Fourth Proportional to 224,472.06, 336,722.94 and 74,706.30

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Solution

The fourth proportional to 224,472.06, 336,722.94 and 74,706.30 is: 112,064.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,472.06 : 336,722.94 = 74,706.30 : x
  2. Step 2: Convert to fraction form
    224,472.06/336,722.94 = 74,706.30/x
  3. Step 3: Cross multiply
    224,472.06x = 336,722.94 × 74,706.30
  4. Step 4: Simplify right side
    224,472.06x = 25,155,324,972.52
  5. Step 5: Solve for x
    x = 25,155,324,972.52/224,472.06
  6. Step 6: Final answer
    x = 112,064.39

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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.