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Finding the Fourth Proportional to 229,825.26, 344,737.89 and 72,066.42

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Solution

The fourth proportional to 229,825.26, 344,737.89 and 72,066.42 is: 108,099.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,825.26 : 344,737.89 = 72,066.42 : x
  2. Step 2: Convert to fraction form
    229,825.26/344,737.89 = 72,066.42/x
  3. Step 3: Cross multiply
    229,825.26x = 344,737.89 × 72,066.42
  4. Step 4: Simplify right side
    229,825.26x = 24,844,025,570.65
  5. Step 5: Solve for x
    x = 24,844,025,570.65/229,825.26
  6. Step 6: Final answer
    x = 108,099.63

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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.