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Finding the Fourth Proportional to 221,366.58, 331,934.57 and 79,157.04

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Solution

The fourth proportional to 221,366.58, 331,934.57 and 79,157.04 is: 118,694.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,366.58 : 331,934.57 = 79,157.04 : x
  2. Step 2: Convert to fraction form
    221,366.58/331,934.57 = 79,157.04/x
  3. Step 3: Cross multiply
    221,366.58x = 331,934.57 × 79,157.04
  4. Step 4: Simplify right side
    221,366.58x = 26,274,957,639.09
  5. Step 5: Solve for x
    x = 26,274,957,639.09/221,366.58
  6. Step 6: Final answer
    x = 118,694.33

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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.