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Finding the Fourth Proportional to 91,874.78, 126,794.55 and 51,591.22

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Solution

The fourth proportional to 91,874.78, 126,794.55 and 51,591.22 is: 71,200.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,874.78 : 126,794.55 = 51,591.22 : x
  2. Step 2: Convert to fraction form
    91,874.78/126,794.55 = 51,591.22/x
  3. Step 3: Cross multiply
    91,874.78x = 126,794.55 × 51,591.22
  4. Step 4: Simplify right side
    91,874.78x = 6,541,485,523.85
  5. Step 5: Solve for x
    x = 6,541,485,523.85/91,874.78
  6. Step 6: Final answer
    x = 71,200.01

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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.