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Finding the Fourth Proportional to 188,892.92, 260,590.02 and 108,301.96

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Solution

The fourth proportional to 188,892.92, 260,590.02 and 108,301.96 is: 149,409.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,892.92 : 260,590.02 = 108,301.96 : x
  2. Step 2: Convert to fraction form
    188,892.92/260,590.02 = 108,301.96/x
  3. Step 3: Cross multiply
    188,892.92x = 260,590.02 × 108,301.96
  4. Step 4: Simplify right side
    188,892.92x = 28,222,409,922.44
  5. Step 5: Solve for x
    x = 28,222,409,922.44/188,892.92
  6. Step 6: Final answer
    x = 149,409.57

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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.