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Finding the Fourth Proportional to 193,230.45, 289,847.52 and 73,255.14

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Solution

The fourth proportional to 193,230.45, 289,847.52 and 73,255.14 is: 109,883.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,230.45 : 289,847.52 = 73,255.14 : x
  2. Step 2: Convert to fraction form
    193,230.45/289,847.52 = 73,255.14/x
  3. Step 3: Cross multiply
    193,230.45x = 289,847.52 × 73,255.14
  4. Step 4: Simplify right side
    193,230.45x = 21,232,820,656.25
  5. Step 5: Solve for x
    x = 21,232,820,656.25/193,230.45
  6. Step 6: Final answer
    x = 109,883.41

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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.