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Finding the Fourth Proportional to 188,618.92, 282,924.27 and 88,723.74

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Solution

The fourth proportional to 188,618.92, 282,924.27 and 88,723.74 is: 133,083.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,618.92 : 282,924.27 = 88,723.74 : x
  2. Step 2: Convert to fraction form
    188,618.92/282,924.27 = 88,723.74/x
  3. Step 3: Cross multiply
    188,618.92x = 282,924.27 × 88,723.74
  4. Step 4: Simplify right side
    188,618.92x = 25,102,099,371.17
  5. Step 5: Solve for x
    x = 25,102,099,371.17/188,618.92
  6. Step 6: Final answer
    x = 133,083.68

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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.