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Finding the Fourth Proportional to 224,605.30, 309,942.02 and 122,610.46

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Solution

The fourth proportional to 224,605.30, 309,942.02 and 122,610.46 is: 169,195.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,605.30 : 309,942.02 = 122,610.46 : x
  2. Step 2: Convert to fraction form
    224,605.30/309,942.02 = 122,610.46/x
  3. Step 3: Cross multiply
    224,605.30x = 309,942.02 × 122,610.46
  4. Step 4: Simplify right side
    224,605.30x = 38,002,133,645.53
  5. Step 5: Solve for x
    x = 38,002,133,645.53/224,605.30
  6. Step 6: Final answer
    x = 169,195.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.