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Finding the Fourth Proportional to 72,175.02, 108,255.57 and 22,241.71

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Solution

The fourth proportional to 72,175.02, 108,255.57 and 22,241.71 is: 33,360.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,175.02 : 108,255.57 = 22,241.71 : x
  2. Step 2: Convert to fraction form
    72,175.02/108,255.57 = 22,241.71/x
  3. Step 3: Cross multiply
    72,175.02x = 108,255.57 × 22,241.71
  4. Step 4: Simplify right side
    72,175.02x = 2,407,789,316.38
  5. Step 5: Solve for x
    x = 2,407,789,316.38/72,175.02
  6. Step 6: Final answer
    x = 33,360.42

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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.