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Finding the Fourth Proportional to 331,248.64, 496,768.38 and 106,558.98

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Solution

The fourth proportional to 331,248.64, 496,768.38 and 106,558.98 is: 159,804.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,248.64 : 496,768.38 = 106,558.98 : x
  2. Step 2: Convert to fraction form
    331,248.64/496,768.38 = 106,558.98/x
  3. Step 3: Cross multiply
    331,248.64x = 496,768.38 × 106,558.98
  4. Step 4: Simplify right side
    331,248.64x = 52,935,131,336.26
  5. Step 5: Solve for x
    x = 52,935,131,336.26/331,248.64
  6. Step 6: Final answer
    x = 159,804.83

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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.