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Finding the Fourth Proportional to 250,745.25, 346,034.52 and 137,568

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Solution

The fourth proportional to 250,745.25, 346,034.52 and 137,568 is: 189,847.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,745.25 : 346,034.52 = 137,568 : x
  2. Step 2: Convert to fraction form
    250,745.25/346,034.52 = 137,568/x
  3. Step 3: Cross multiply
    250,745.25x = 346,034.52 × 137,568
  4. Step 4: Simplify right side
    250,745.25x = 47,603,276,847.36
  5. Step 5: Solve for x
    x = 47,603,276,847.36/250,745.25
  6. Step 6: Final answer
    x = 189,847.17

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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.