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Finding the Fourth Proportional to 199,253.91, 274,962.13 and 108,607.88

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Solution

The fourth proportional to 199,253.91, 274,962.13 and 108,607.88 is: 149,874.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,253.91 : 274,962.13 = 108,607.88 : x
  2. Step 2: Convert to fraction form
    199,253.91/274,962.13 = 108,607.88/x
  3. Step 3: Cross multiply
    199,253.91x = 274,962.13 × 108,607.88
  4. Step 4: Simplify right side
    199,253.91x = 29,863,054,435.47
  5. Step 5: Solve for x
    x = 29,863,054,435.47/199,253.91
  6. Step 6: Final answer
    x = 149,874.37

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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.