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Finding the Fourth Proportional to 220,699.94, 331,052.96 and 62,928.37

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Solution

The fourth proportional to 220,699.94, 331,052.96 and 62,928.37 is: 94,393.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,699.94 : 331,052.96 = 62,928.37 : x
  2. Step 2: Convert to fraction form
    220,699.94/331,052.96 = 62,928.37/x
  3. Step 3: Cross multiply
    220,699.94x = 331,052.96 × 62,928.37
  4. Step 4: Simplify right side
    220,699.94x = 20,832,622,014.20
  5. Step 5: Solve for x
    x = 20,832,622,014.20/220,699.94
  6. Step 6: Final answer
    x = 94,393.42

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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.