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Finding the Fourth Proportional to 83,361.72, 125,042.58 and 48,525.24

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Solution

The fourth proportional to 83,361.72, 125,042.58 and 48,525.24 is: 72,787.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,361.72 : 125,042.58 = 48,525.24 : x
  2. Step 2: Convert to fraction form
    83,361.72/125,042.58 = 48,525.24/x
  3. Step 3: Cross multiply
    83,361.72x = 125,042.58 × 48,525.24
  4. Step 4: Simplify right side
    83,361.72x = 6,067,721,204.72
  5. Step 5: Solve for x
    x = 6,067,721,204.72/83,361.72
  6. Step 6: Final answer
    x = 72,787.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.