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Finding the Fourth Proportional to 227,173.84, 313,485.81 and 125,193.61

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Solution

The fourth proportional to 227,173.84, 313,485.81 and 125,193.61 is: 172,759.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,173.84 : 313,485.81 = 125,193.61 : x
  2. Step 2: Convert to fraction form
    227,173.84/313,485.81 = 125,193.61/x
  3. Step 3: Cross multiply
    227,173.84x = 313,485.81 × 125,193.61
  4. Step 4: Simplify right side
    227,173.84x = 39,246,419,585.41
  5. Step 5: Solve for x
    x = 39,246,419,585.41/227,173.84
  6. Step 6: Final answer
    x = 172,759.41

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1.5x scale

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.