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Finding the Fourth Proportional to 227,345.55, 313,734.95 and 125,375.25

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Solution

The fourth proportional to 227,345.55, 313,734.95 and 125,375.25 is: 173,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,345.55 : 313,734.95 = 125,375.25 : x
  2. Step 2: Convert to fraction form
    227,345.55/313,734.95 = 125,375.25/x
  3. Step 3: Cross multiply
    227,345.55x = 313,734.95 × 125,375.25
  4. Step 4: Simplify right side
    227,345.55x = 39,334,598,809.77
  5. Step 5: Solve for x
    x = 39,334,598,809.77/227,345.55
  6. Step 6: Final answer
    x = 173,016.80

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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.