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Finding the Fourth Proportional to 188,336.57, 282,398.54 and 61,942.66

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Solution

The fourth proportional to 188,336.57, 282,398.54 and 61,942.66 is: 92,879.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,336.57 : 282,398.54 = 61,942.66 : x
  2. Step 2: Convert to fraction form
    188,336.57/282,398.54 = 61,942.66/x
  3. Step 3: Cross multiply
    188,336.57x = 282,398.54 × 61,942.66
  4. Step 4: Simplify right side
    188,336.57x = 17,492,515,732.01
  5. Step 5: Solve for x
    x = 17,492,515,732.01/188,336.57
  6. Step 6: Final answer
    x = 92,879.02

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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.