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Finding the Fourth Proportional to 142,622, 213,944.52 and 44,126

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Solution

The fourth proportional to 142,622, 213,944.52 and 44,126 is: 66,192.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,622 : 213,944.52 = 44,126 : x
  2. Step 2: Convert to fraction form
    142,622/213,944.52 = 44,126/x
  3. Step 3: Cross multiply
    142,622x = 213,944.52 × 44,126
  4. Step 4: Simplify right side
    142,622x = 9,440,515,889.52
  5. Step 5: Solve for x
    x = 9,440,515,889.52/142,622
  6. Step 6: Final answer
    x = 66,192.56

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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.