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Finding the Fourth Proportional to 188,626.92, 260,305.92 and 103,749.36

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Solution

The fourth proportional to 188,626.92, 260,305.92 and 103,749.36 is: 143,174.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,626.92 : 260,305.92 = 103,749.36 : x
  2. Step 2: Convert to fraction form
    188,626.92/260,305.92 = 103,749.36/x
  3. Step 3: Cross multiply
    188,626.92x = 260,305.92 × 103,749.36
  4. Step 4: Simplify right side
    188,626.92x = 27,006,572,604.21
  5. Step 5: Solve for x
    x = 27,006,572,604.21/188,626.92
  6. Step 6: Final answer
    x = 143,174.54

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1.5x scale

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.