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Finding the Fourth Proportional to 69,482.25, 95,863.23 and 42,611.31

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Solution

The fourth proportional to 69,482.25, 95,863.23 and 42,611.31 is: 58,789.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,482.25 : 95,863.23 = 42,611.31 : x
  2. Step 2: Convert to fraction form
    69,482.25/95,863.23 = 42,611.31/x
  3. Step 3: Cross multiply
    69,482.25x = 95,863.23 × 42,611.31
  4. Step 4: Simplify right side
    69,482.25x = 4,084,857,811.13
  5. Step 5: Solve for x
    x = 4,084,857,811.13/69,482.25
  6. Step 6: Final answer
    x = 58,789.95

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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.