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Finding the Fourth Proportional to 227,507.91, 313,960.91 and 126,905.91

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Solution

The fourth proportional to 227,507.91, 313,960.91 and 126,905.91 is: 175,130.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,507.91 : 313,960.91 = 126,905.91 : x
  2. Step 2: Convert to fraction form
    227,507.91/313,960.91 = 126,905.91/x
  3. Step 3: Cross multiply
    227,507.91x = 313,960.91 × 126,905.91
  4. Step 4: Simplify right side
    227,507.91x = 39,843,493,889.94
  5. Step 5: Solve for x
    x = 39,843,493,889.94/227,507.91
  6. Step 6: Final answer
    x = 175,130.15

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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.