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Finding the Fourth Proportional to 91,333.97, 126,046.79 and 51,049.43

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Solution

The fourth proportional to 91,333.97, 126,046.79 and 51,049.43 is: 70,451.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,333.97 : 126,046.79 = 51,049.43 : x
  2. Step 2: Convert to fraction form
    91,333.97/126,046.79 = 51,049.43/x
  3. Step 3: Cross multiply
    91,333.97x = 126,046.79 × 51,049.43
  4. Step 4: Simplify right side
    91,333.97x = 6,434,615,897.35
  5. Step 5: Solve for x
    x = 6,434,615,897.35/91,333.97
  6. Step 6: Final answer
    x = 70,451.51

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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.