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Finding the Fourth Proportional to 226,242.24, 312,214.91 and 125,640.24

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Solution

The fourth proportional to 226,242.24, 312,214.91 and 125,640.24 is: 173,383.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,242.24 : 312,214.91 = 125,640.24 : x
  2. Step 2: Convert to fraction form
    226,242.24/312,214.91 = 125,640.24/x
  3. Step 3: Cross multiply
    226,242.24x = 312,214.91 × 125,640.24
  4. Step 4: Simplify right side
    226,242.24x = 39,226,756,223.98
  5. Step 5: Solve for x
    x = 39,226,756,223.98/226,242.24
  6. Step 6: Final answer
    x = 173,383.87

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