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Finding the Fourth Proportional to 188,502.75, 282,805.16 and 63,843.75

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Solution

The fourth proportional to 188,502.75, 282,805.16 and 63,843.75 is: 95,782.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,502.75 : 282,805.16 = 63,843.75 : x
  2. Step 2: Convert to fraction form
    188,502.75/282,805.16 = 63,843.75/x
  3. Step 3: Cross multiply
    188,502.75x = 282,805.16 × 63,843.75
  4. Step 4: Simplify right side
    188,502.75x = 18,055,341,614.53
  5. Step 5: Solve for x
    x = 18,055,341,614.53/188,502.75
  6. Step 6: Final answer
    x = 95,782.91

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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.