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Finding the Fourth Proportional to 227,487.30, 313,931.59 and 125,519.10

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Solution

The fourth proportional to 227,487.30, 313,931.59 and 125,519.10 is: 173,215.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,487.30 : 313,931.59 = 125,519.10 : x
  2. Step 2: Convert to fraction form
    227,487.30/313,931.59 = 125,519.10/x
  3. Step 3: Cross multiply
    227,487.30x = 313,931.59 × 125,519.10
  4. Step 4: Simplify right side
    227,487.30x = 39,404,410,638.37
  5. Step 5: Solve for x
    x = 39,404,410,638.37/227,487.30
  6. Step 6: Final answer
    x = 173,215.87

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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.