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Finding the Fourth Proportional to 227,978.32, 314,626.36 and 126,001.58

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Solution

The fourth proportional to 227,978.32, 314,626.36 and 126,001.58 is: 173,891.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,978.32 : 314,626.36 = 126,001.58 : x
  2. Step 2: Convert to fraction form
    227,978.32/314,626.36 = 126,001.58/x
  3. Step 3: Cross multiply
    227,978.32x = 314,626.36 × 126,001.58
  4. Step 4: Simplify right side
    227,978.32x = 39,643,418,469.65
  5. Step 5: Solve for x
    x = 39,643,418,469.65/227,978.32
  6. Step 6: Final answer
    x = 173,891.18

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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.