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Finding the Fourth Proportional to 73,764.80, 110,679.60 and 34,301.60

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Solution

The fourth proportional to 73,764.80, 110,679.60 and 34,301.60 is: 51,467.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,764.80 : 110,679.60 = 34,301.60 : x
  2. Step 2: Convert to fraction form
    73,764.80/110,679.60 = 34,301.60/x
  3. Step 3: Cross multiply
    73,764.80x = 110,679.60 × 34,301.60
  4. Step 4: Simplify right side
    73,764.80x = 3,796,487,367.36
  5. Step 5: Solve for x
    x = 3,796,487,367.36/73,764.80
  6. Step 6: Final answer
    x = 51,467.47

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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.