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Finding the Fourth Proportional to 131,862.80, 197,787.84 and 43,104.56

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Solution

The fourth proportional to 131,862.80, 197,787.84 and 43,104.56 is: 64,654.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,862.80 : 197,787.84 = 43,104.56 : x
  2. Step 2: Convert to fraction form
    131,862.80/197,787.84 = 43,104.56/x
  3. Step 3: Cross multiply
    131,862.80x = 197,787.84 × 43,104.56
  4. Step 4: Simplify right side
    131,862.80x = 8,525,557,816.55
  5. Step 5: Solve for x
    x = 8,525,557,816.55/131,862.80
  6. Step 6: Final answer
    x = 64,654.76

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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.