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Finding the Fourth Proportional to 91,367.33, 126,125.78 and 55,568.84

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Solution

The fourth proportional to 91,367.33, 126,125.78 and 55,568.84 is: 76,708.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,367.33 : 126,125.78 = 55,568.84 : x
  2. Step 2: Convert to fraction form
    91,367.33/126,125.78 = 55,568.84/x
  3. Step 3: Cross multiply
    91,367.33x = 126,125.78 × 55,568.84
  4. Step 4: Simplify right side
    91,367.33x = 7,008,662,380.22
  5. Step 5: Solve for x
    x = 7,008,662,380.22/91,367.33
  6. Step 6: Final answer
    x = 76,708.63

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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.