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Finding the Fourth Proportional to 91,757.44, 126,552.22 and 75,814.21

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Solution

The fourth proportional to 91,757.44, 126,552.22 and 75,814.21 is: 104,563.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,757.44 : 126,552.22 = 75,814.21 : x
  2. Step 2: Convert to fraction form
    91,757.44/126,552.22 = 75,814.21/x
  3. Step 3: Cross multiply
    91,757.44x = 126,552.22 × 75,814.21
  4. Step 4: Simplify right side
    91,757.44x = 9,594,456,978.16
  5. Step 5: Solve for x
    x = 9,594,456,978.16/91,757.44
  6. Step 6: Final answer
    x = 104,563.26

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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.