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Finding the Fourth Proportional to 188,654.60, 260,362.45 and 108,092.81

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Solution

The fourth proportional to 188,654.60, 260,362.45 and 108,092.81 is: 149,179.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,654.60 : 260,362.45 = 108,092.81 : x
  2. Step 2: Convert to fraction form
    188,654.60/260,362.45 = 108,092.81/x
  3. Step 3: Cross multiply
    188,654.60x = 260,362.45 × 108,092.81
  4. Step 4: Simplify right side
    188,654.60x = 28,143,309,625.01
  5. Step 5: Solve for x
    x = 28,143,309,625.01/188,654.60
  6. Step 6: Final answer
    x = 149,179.02

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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.