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Finding the Fourth Proportional to 79,469.64, 109,662.82 and 45,473.96

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Solution

The fourth proportional to 79,469.64, 109,662.82 and 45,473.96 is: 62,751.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,469.64 : 109,662.82 = 45,473.96 : x
  2. Step 2: Convert to fraction form
    79,469.64/109,662.82 = 45,473.96/x
  3. Step 3: Cross multiply
    79,469.64x = 109,662.82 × 45,473.96
  4. Step 4: Simplify right side
    79,469.64x = 4,986,802,690.17
  5. Step 5: Solve for x
    x = 4,986,802,690.17/79,469.64
  6. Step 6: Final answer
    x = 62,751.04

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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.