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Finding the Fourth Proportional to 79,753.71, 110,062.62 and 45,768.42

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Solution

The fourth proportional to 79,753.71, 110,062.62 and 45,768.42 is: 63,161.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,753.71 : 110,062.62 = 45,768.42 : x
  2. Step 2: Convert to fraction form
    79,753.71/110,062.62 = 45,768.42/x
  3. Step 3: Cross multiply
    79,753.71x = 110,062.62 × 45,768.42
  4. Step 4: Simplify right side
    79,753.71x = 5,037,392,218.46
  5. Step 5: Solve for x
    x = 5,037,392,218.46/79,753.71
  6. Step 6: Final answer
    x = 63,161.85

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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.