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Finding the Fourth Proportional to 227,362.62, 313,746.60 and 125,389.17

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Solution

The fourth proportional to 227,362.62, 313,746.60 and 125,389.17 is: 173,029.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,362.62 : 313,746.60 = 125,389.17 : x
  2. Step 2: Convert to fraction form
    227,362.62/313,746.60 = 125,389.17/x
  3. Step 3: Cross multiply
    227,362.62x = 313,746.60 × 125,389.17
  4. Step 4: Simplify right side
    227,362.62x = 39,340,425,764.32
  5. Step 5: Solve for x
    x = 39,340,425,764.32/227,362.62
  6. Step 6: Final answer
    x = 173,029.44

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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.