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Finding the Fourth Proportional to 188,990.88, 283,661.28 and 95,562.24

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Solution

The fourth proportional to 188,990.88, 283,661.28 and 95,562.24 is: 143,431.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,990.88 : 283,661.28 = 95,562.24 : x
  2. Step 2: Convert to fraction form
    188,990.88/283,661.28 = 95,562.24/x
  3. Step 3: Cross multiply
    188,990.88x = 283,661.28 × 95,562.24
  4. Step 4: Simplify right side
    188,990.88x = 27,107,307,318.07
  5. Step 5: Solve for x
    x = 27,107,307,318.07/188,990.88
  6. Step 6: Final answer
    x = 143,431.83

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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.