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Finding the Fourth Proportional to 188,936.49, 260,713.08 and 116,327.86

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Solution

The fourth proportional to 188,936.49, 260,713.08 and 116,327.86 is: 160,520.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,936.49 : 260,713.08 = 116,327.86 : x
  2. Step 2: Convert to fraction form
    188,936.49/260,713.08 = 116,327.86/x
  3. Step 3: Cross multiply
    188,936.49x = 260,713.08 × 116,327.86
  4. Step 4: Simplify right side
    188,936.49x = 30,328,195,485.14
  5. Step 5: Solve for x
    x = 30,328,195,485.14/188,936.49
  6. Step 6: Final answer
    x = 160,520.58

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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.