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Finding the Fourth Proportional to 110,966, 166,470.88 and 36,081.32

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Solution

The fourth proportional to 110,966, 166,470.88 and 36,081.32 is: 54,129.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,966 : 166,470.88 = 36,081.32 : x
  2. Step 2: Convert to fraction form
    110,966/166,470.88 = 36,081.32/x
  3. Step 3: Cross multiply
    110,966x = 166,470.88 × 36,081.32
  4. Step 4: Simplify right side
    110,966x = 6,006,489,091.96
  5. Step 5: Solve for x
    x = 6,006,489,091.96/110,966
  6. Step 6: Final answer
    x = 54,129.09

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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.