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Finding the Fourth Proportional to 79,843.64, 110,180.49 and 45,828.50

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Solution

The fourth proportional to 79,843.64, 110,180.49 and 45,828.50 is: 63,241.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,843.64 : 110,180.49 = 45,828.50 : x
  2. Step 2: Convert to fraction form
    79,843.64/110,180.49 = 45,828.50/x
  3. Step 3: Cross multiply
    79,843.64x = 110,180.49 × 45,828.50
  4. Step 4: Simplify right side
    79,843.64x = 5,049,406,585.97
  5. Step 5: Solve for x
    x = 5,049,406,585.97/79,843.64
  6. Step 6: Final answer
    x = 63,241.19

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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.