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Finding the Fourth Proportional to 135,375.52, 202,912.24 and 56,463.52

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Solution

The fourth proportional to 135,375.52, 202,912.24 and 56,463.52 is: 84,632.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,375.52 : 202,912.24 = 56,463.52 : x
  2. Step 2: Convert to fraction form
    135,375.52/202,912.24 = 56,463.52/x
  3. Step 3: Cross multiply
    135,375.52x = 202,912.24 × 56,463.52
  4. Step 4: Simplify right side
    135,375.52x = 11,457,139,321.48
  5. Step 5: Solve for x
    x = 11,457,139,321.48/135,375.52
  6. Step 6: Final answer
    x = 84,632.28

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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.