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Finding the Fourth Proportional to 110,793.31, 166,193.34 and 43,322.65

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Solution

The fourth proportional to 110,793.31, 166,193.34 and 43,322.65 is: 64,985.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,793.31 : 166,193.34 = 43,322.65 : x
  2. Step 2: Convert to fraction form
    110,793.31/166,193.34 = 43,322.65/x
  3. Step 3: Cross multiply
    110,793.31x = 166,193.34 × 43,322.65
  4. Step 4: Simplify right side
    110,793.31x = 7,199,935,901.15
  5. Step 5: Solve for x
    x = 7,199,935,901.15/110,793.31
  6. Step 6: Final answer
    x = 64,985.29

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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.