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Finding the Fourth Proportional to 73,573.68, 110,163.60 and 64,169.52

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Solution

The fourth proportional to 73,573.68, 110,163.60 and 64,169.52 is: 96,082.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,573.68 : 110,163.60 = 64,169.52 : x
  2. Step 2: Convert to fraction form
    73,573.68/110,163.60 = 64,169.52/x
  3. Step 3: Cross multiply
    73,573.68x = 110,163.60 × 64,169.52
  4. Step 4: Simplify right side
    73,573.68x = 7,069,145,333.47
  5. Step 5: Solve for x
    x = 7,069,145,333.47/73,573.68
  6. Step 6: Final answer
    x = 96,082.53

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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.