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Finding the Fourth Proportional to 227,486.95, 313,933.08 and 125,512.41

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Solution

The fourth proportional to 227,486.95, 313,933.08 and 125,512.41 is: 173,207.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,486.95 : 313,933.08 = 125,512.41 : x
  2. Step 2: Convert to fraction form
    227,486.95/313,933.08 = 125,512.41/x
  3. Step 3: Cross multiply
    227,486.95x = 313,933.08 × 125,512.41
  4. Step 4: Simplify right side
    227,486.95x = 39,402,497,449.52
  5. Step 5: Solve for x
    x = 39,402,497,449.52/227,486.95
  6. Step 6: Final answer
    x = 173,207.73

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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.