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Finding the Fourth Proportional to 227,344.84, 313,728.66 and 125,374.60

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Solution

The fourth proportional to 227,344.84, 313,728.66 and 125,374.60 is: 173,012.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,344.84 : 313,728.66 = 125,374.60 : x
  2. Step 2: Convert to fraction form
    227,344.84/313,728.66 = 125,374.60/x
  3. Step 3: Cross multiply
    227,344.84x = 313,728.66 × 125,374.60
  4. Step 4: Simplify right side
    227,344.84x = 39,333,605,256.04
  5. Step 5: Solve for x
    x = 39,333,605,256.04/227,344.84
  6. Step 6: Final answer
    x = 173,012.97

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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.