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Finding the Fourth Proportional to 225,351.36, 311,034.24 and 148,883.04

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Solution

The fourth proportional to 225,351.36, 311,034.24 and 148,883.04 is: 205,491.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,351.36 : 311,034.24 = 148,883.04 : x
  2. Step 2: Convert to fraction form
    225,351.36/311,034.24 = 148,883.04/x
  3. Step 3: Cross multiply
    225,351.36x = 311,034.24 × 148,883.04
  4. Step 4: Simplify right side
    225,351.36x = 46,307,723,195.29
  5. Step 5: Solve for x
    x = 46,307,723,195.29/225,351.36
  6. Step 6: Final answer
    x = 205,491.21

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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.