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Finding the Fourth Proportional to 227,329.80, 313,733.80 and 125,375.20

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Solution

The fourth proportional to 227,329.80, 313,733.80 and 125,375.20 is: 173,028.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,329.80 : 313,733.80 = 125,375.20 : x
  2. Step 2: Convert to fraction form
    227,329.80/313,733.80 = 125,375.20/x
  3. Step 3: Cross multiply
    227,329.80x = 313,733.80 × 125,375.20
  4. Step 4: Simplify right side
    227,329.80x = 39,334,439,019.53
  5. Step 5: Solve for x
    x = 39,334,439,019.53/227,329.80
  6. Step 6: Final answer
    x = 173,028.08

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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.