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Finding the Fourth Proportional to 227,240.40, 313,615.08 and 136,625.88

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Solution

The fourth proportional to 227,240.40, 313,615.08 and 136,625.88 is: 188,557.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,240.40 : 313,615.08 = 136,625.88 : x
  2. Step 2: Convert to fraction form
    227,240.40/313,615.08 = 136,625.88/x
  3. Step 3: Cross multiply
    227,240.40x = 313,615.08 × 136,625.88
  4. Step 4: Simplify right side
    227,240.40x = 42,847,936,286.27
  5. Step 5: Solve for x
    x = 42,847,936,286.27/227,240.40
  6. Step 6: Final answer
    x = 188,557.74

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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.