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Finding the Fourth Proportional to 199,269.81, 274,978.58 and 112,067.96

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Solution

The fourth proportional to 199,269.81, 274,978.58 and 112,067.96 is: 154,646.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,269.81 : 274,978.58 = 112,067.96 : x
  2. Step 2: Convert to fraction form
    199,269.81/274,978.58 = 112,067.96/x
  3. Step 3: Cross multiply
    199,269.81x = 274,978.58 × 112,067.96
  4. Step 4: Simplify right side
    199,269.81x = 30,816,286,569.06
  5. Step 5: Solve for x
    x = 30,816,286,569.06/199,269.81
  6. Step 6: Final answer
    x = 154,646.04

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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.