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Finding the Fourth Proportional to 227,370.84, 313,772.46 and 126,772.44

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Solution

The fourth proportional to 227,370.84, 313,772.46 and 126,772.44 is: 174,946.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,370.84 : 313,772.46 = 126,772.44 : x
  2. Step 2: Convert to fraction form
    227,370.84/313,772.46 = 126,772.44/x
  3. Step 3: Cross multiply
    227,370.84x = 313,772.46 × 126,772.44
  4. Step 4: Simplify right side
    227,370.84x = 39,777,700,359.00
  5. Step 5: Solve for x
    x = 39,777,700,359.00/227,370.84
  6. Step 6: Final answer
    x = 174,946.36

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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.