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Finding the Fourth Proportional to 63,959.96, 88,276.04 and 40,107.08

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Solution

The fourth proportional to 63,959.96, 88,276.04 and 40,107.08 is: 55,354.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,959.96 : 88,276.04 = 40,107.08 : x
  2. Step 2: Convert to fraction form
    63,959.96/88,276.04 = 40,107.08/x
  3. Step 3: Cross multiply
    63,959.96x = 88,276.04 × 40,107.08
  4. Step 4: Simplify right side
    63,959.96x = 3,540,494,198.36
  5. Step 5: Solve for x
    x = 3,540,494,198.36/63,959.96
  6. Step 6: Final answer
    x = 55,354.85

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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.