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Finding the Fourth Proportional to 79,422.64, 109,597.81 and 43,614.97

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Solution

The fourth proportional to 79,422.64, 109,597.81 and 43,614.97 is: 60,185.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,422.64 : 109,597.81 = 43,614.97 : x
  2. Step 2: Convert to fraction form
    79,422.64/109,597.81 = 43,614.97/x
  3. Step 3: Cross multiply
    79,422.64x = 109,597.81 × 43,614.97
  4. Step 4: Simplify right side
    79,422.64x = 4,780,105,195.22
  5. Step 5: Solve for x
    x = 4,780,105,195.22/79,422.64
  6. Step 6: Final answer
    x = 60,185.67

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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.