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Finding the Fourth Proportional to 227,589.75, 314,073.86 and 126,987.75

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Solution

The fourth proportional to 227,589.75, 314,073.86 and 126,987.75 is: 175,243.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,589.75 : 314,073.86 = 126,987.75 : x
  2. Step 2: Convert to fraction form
    227,589.75/314,073.86 = 126,987.75/x
  3. Step 3: Cross multiply
    227,589.75x = 314,073.86 × 126,987.75
  4. Step 4: Simplify right side
    227,589.75x = 39,883,532,815.22
  5. Step 5: Solve for x
    x = 39,883,532,815.22/227,589.75
  6. Step 6: Final answer
    x = 175,243.10

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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.