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Finding the Fourth Proportional to 199,251.55, 274,965.24 and 108,607.51

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Solution

The fourth proportional to 199,251.55, 274,965.24 and 108,607.51 is: 149,877.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,251.55 : 274,965.24 = 108,607.51 : x
  2. Step 2: Convert to fraction form
    199,251.55/274,965.24 = 108,607.51/x
  3. Step 3: Cross multiply
    199,251.55x = 274,965.24 × 108,607.51
  4. Step 4: Simplify right side
    199,251.55x = 29,863,290,052.95
  5. Step 5: Solve for x
    x = 29,863,290,052.95/199,251.55
  6. Step 6: Final answer
    x = 149,877.33

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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.