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Finding the Fourth Proportional to 188,620.54, 282,926.71 and 88,725.37

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Solution

The fourth proportional to 188,620.54, 282,926.71 and 88,725.37 is: 133,086.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,620.54 : 282,926.71 = 88,725.37 : x
  2. Step 2: Convert to fraction form
    188,620.54/282,926.71 = 88,725.37/x
  3. Step 3: Cross multiply
    188,620.54x = 282,926.71 × 88,725.37
  4. Step 4: Simplify right side
    188,620.54x = 25,102,776,431.22
  5. Step 5: Solve for x
    x = 25,102,776,431.22/188,620.54
  6. Step 6: Final answer
    x = 133,086.12

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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.