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Finding the Fourth Proportional to 79,098.20, 118,582.30 and 36,957.44

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Solution

The fourth proportional to 79,098.20, 118,582.30 and 36,957.44 is: 55,405.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,098.20 : 118,582.30 = 36,957.44 : x
  2. Step 2: Convert to fraction form
    79,098.20/118,582.30 = 36,957.44/x
  3. Step 3: Cross multiply
    79,098.20x = 118,582.30 × 36,957.44
  4. Step 4: Simplify right side
    79,098.20x = 4,382,498,237.31
  5. Step 5: Solve for x
    x = 4,382,498,237.31/79,098.20
  6. Step 6: Final answer
    x = 55,405.79

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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.