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Finding the Fourth Proportional to 202,134.40, 303,420.30 and 113,560.90

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Solution

The fourth proportional to 202,134.40, 303,420.30 and 113,560.90 is: 170,464.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,134.40 : 303,420.30 = 113,560.90 : x
  2. Step 2: Convert to fraction form
    202,134.40/303,420.30 = 113,560.90/x
  3. Step 3: Cross multiply
    202,134.40x = 303,420.30 × 113,560.90
  4. Step 4: Simplify right side
    202,134.40x = 34,456,682,346.27
  5. Step 5: Solve for x
    x = 34,456,682,346.27/202,134.40
  6. Step 6: Final answer
    x = 170,464.22

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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.