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Finding the Fourth Proportional to 192,404.16, 265,591.98 and 172,225.44

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Solution

The fourth proportional to 192,404.16, 265,591.98 and 172,225.44 is: 237,737.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,404.16 : 265,591.98 = 172,225.44 : x
  2. Step 2: Convert to fraction form
    192,404.16/265,591.98 = 172,225.44/x
  3. Step 3: Cross multiply
    192,404.16x = 265,591.98 × 172,225.44
  4. Step 4: Simplify right side
    192,404.16x = 45,741,695,615.97
  5. Step 5: Solve for x
    x = 45,741,695,615.97/192,404.16
  6. Step 6: Final answer
    x = 237,737.56

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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.