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Finding the Fourth Proportional to 378,759.24, 568,216.62 and 112,496.04

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Solution

The fourth proportional to 378,759.24, 568,216.62 and 112,496.04 is: 168,767.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,759.24 : 568,216.62 = 112,496.04 : x
  2. Step 2: Convert to fraction form
    378,759.24/568,216.62 = 112,496.04/x
  3. Step 3: Cross multiply
    378,759.24x = 568,216.62 × 112,496.04
  4. Step 4: Simplify right side
    378,759.24x = 63,922,119,612.18
  5. Step 5: Solve for x
    x = 63,922,119,612.18/378,759.24
  6. Step 6: Final answer
    x = 168,767.16

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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.