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Finding the Fourth Proportional to 114,866.70, 172,229.49 and 44,664.18

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Solution

The fourth proportional to 114,866.70, 172,229.49 and 44,664.18 is: 66,968.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,866.70 : 172,229.49 = 44,664.18 : x
  2. Step 2: Convert to fraction form
    114,866.70/172,229.49 = 44,664.18/x
  3. Step 3: Cross multiply
    114,866.70x = 172,229.49 × 44,664.18
  4. Step 4: Simplify right side
    114,866.70x = 7,692,488,942.67
  5. Step 5: Solve for x
    x = 7,692,488,942.67/114,866.70
  6. Step 6: Final answer
    x = 66,968.83

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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.