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Finding the Fourth Proportional to 188,608.41, 260,282.76 and 108,042.96

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Solution

The fourth proportional to 188,608.41, 260,282.76 and 108,042.96 is: 149,101.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,608.41 : 260,282.76 = 108,042.96 : x
  2. Step 2: Convert to fraction form
    188,608.41/260,282.76 = 108,042.96/x
  3. Step 3: Cross multiply
    188,608.41x = 260,282.76 × 108,042.96
  4. Step 4: Simplify right side
    188,608.41x = 28,121,719,827.37
  5. Step 5: Solve for x
    x = 28,121,719,827.37/188,608.41
  6. Step 6: Final answer
    x = 149,101.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.