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Finding the Fourth Proportional to 78,793.94, 108,731.22 and 44,797.63

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Solution

The fourth proportional to 78,793.94, 108,731.22 and 44,797.63 is: 61,818.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,793.94 : 108,731.22 = 44,797.63 : x
  2. Step 2: Convert to fraction form
    78,793.94/108,731.22 = 44,797.63/x
  3. Step 3: Cross multiply
    78,793.94x = 108,731.22 × 44,797.63
  4. Step 4: Simplify right side
    78,793.94x = 4,870,900,963.01
  5. Step 5: Solve for x
    x = 4,870,900,963.01/78,793.94
  6. Step 6: Final answer
    x = 61,818.22

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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.