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Finding the Fourth Proportional to 110,975.76, 166,479.44 and 36,071.82

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Solution

The fourth proportional to 110,975.76, 166,479.44 and 36,071.82 is: 54,112.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,975.76 : 166,479.44 = 36,071.82 : x
  2. Step 2: Convert to fraction form
    110,975.76/166,479.44 = 36,071.82/x
  3. Step 3: Cross multiply
    110,975.76x = 166,479.44 × 36,071.82
  4. Step 4: Simplify right side
    110,975.76x = 6,005,216,213.02
  5. Step 5: Solve for x
    x = 6,005,216,213.02/110,975.76
  6. Step 6: Final answer
    x = 54,112.86

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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.