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Finding the Fourth Proportional to 282,067.57, 423,163.64 and 104,574.59

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Solution

The fourth proportional to 282,067.57, 423,163.64 and 104,574.59 is: 156,884.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,067.57 : 423,163.64 = 104,574.59 : x
  2. Step 2: Convert to fraction form
    282,067.57/423,163.64 = 104,574.59/x
  3. Step 3: Cross multiply
    282,067.57x = 423,163.64 × 104,574.59
  4. Step 4: Simplify right side
    282,067.57x = 44,252,162,301.53
  5. Step 5: Solve for x
    x = 44,252,162,301.53/282,067.57
  6. Step 6: Final answer
    x = 156,884.97

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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.