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Finding the Fourth Proportional to 79,903.97, 110,286.35 and 45,932.16

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Solution

The fourth proportional to 79,903.97, 110,286.35 and 45,932.16 is: 63,397.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,903.97 : 110,286.35 = 45,932.16 : x
  2. Step 2: Convert to fraction form
    79,903.97/110,286.35 = 45,932.16/x
  3. Step 3: Cross multiply
    79,903.97x = 110,286.35 × 45,932.16
  4. Step 4: Simplify right side
    79,903.97x = 5,065,690,274.02
  5. Step 5: Solve for x
    x = 5,065,690,274.02/79,903.97
  6. Step 6: Final answer
    x = 63,397.23

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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.