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Finding the Fourth Proportional to 188,104.59, 282,151.42 and 54,987.98

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Solution

The fourth proportional to 188,104.59, 282,151.42 and 54,987.98 is: 82,480.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,104.59 : 282,151.42 = 54,987.98 : x
  2. Step 2: Convert to fraction form
    188,104.59/282,151.42 = 54,987.98/x
  3. Step 3: Cross multiply
    188,104.59x = 282,151.42 × 54,987.98
  4. Step 4: Simplify right side
    188,104.59x = 15,514,936,639.93
  5. Step 5: Solve for x
    x = 15,514,936,639.93/188,104.59
  6. Step 6: Final answer
    x = 82,480.37

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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.