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Finding the Fourth Proportional to 188,572.22, 282,671.49 and 88,553.38

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Solution

The fourth proportional to 188,572.22, 282,671.49 and 88,553.38 is: 132,742.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,572.22 : 282,671.49 = 88,553.38 : x
  2. Step 2: Convert to fraction form
    188,572.22/282,671.49 = 88,553.38/x
  3. Step 3: Cross multiply
    188,572.22x = 282,671.49 × 88,553.38
  4. Step 4: Simplify right side
    188,572.22x = 25,031,515,869.14
  5. Step 5: Solve for x
    x = 25,031,515,869.14/188,572.22
  6. Step 6: Final answer
    x = 132,742.33

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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.