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Finding the Fourth Proportional to 79,884.17, 110,249.92 and 45,892.59

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Solution

The fourth proportional to 79,884.17, 110,249.92 and 45,892.59 is: 63,337.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,884.17 : 110,249.92 = 45,892.59 : x
  2. Step 2: Convert to fraction form
    79,884.17/110,249.92 = 45,892.59/x
  3. Step 3: Cross multiply
    79,884.17x = 110,249.92 × 45,892.59
  4. Step 4: Simplify right side
    79,884.17x = 5,059,654,382.03
  5. Step 5: Solve for x
    x = 5,059,654,382.03/79,884.17
  6. Step 6: Final answer
    x = 63,337.39

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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.