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Finding the Fourth Proportional to 78,833.52, 108,791.82 and 43,025.04

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Solution

The fourth proportional to 78,833.52, 108,791.82 and 43,025.04 is: 59,375.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,833.52 : 108,791.82 = 43,025.04 : x
  2. Step 2: Convert to fraction form
    78,833.52/108,791.82 = 43,025.04/x
  3. Step 3: Cross multiply
    78,833.52x = 108,791.82 × 43,025.04
  4. Step 4: Simplify right side
    78,833.52x = 4,680,772,407.17
  5. Step 5: Solve for x
    x = 4,680,772,407.17/78,833.52
  6. Step 6: Final answer
    x = 59,375.41

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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.