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Finding the Fourth Proportional to 188,551.58, 282,753.25 and 68,580.05

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Solution

The fourth proportional to 188,551.58, 282,753.25 and 68,580.05 is: 102,843.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,551.58 : 282,753.25 = 68,580.05 : x
  2. Step 2: Convert to fraction form
    188,551.58/282,753.25 = 68,580.05/x
  3. Step 3: Cross multiply
    188,551.58x = 282,753.25 × 68,580.05
  4. Step 4: Simplify right side
    188,551.58x = 19,391,230,266.00
  5. Step 5: Solve for x
    x = 19,391,230,266.00/188,551.58
  6. Step 6: Final answer
    x = 102,843.11

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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.