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Finding the Fourth Proportional to 331,252.61, 496,774.31 and 106,562.97

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Solution

The fourth proportional to 331,252.61, 496,774.31 and 106,562.97 is: 159,810.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,252.61 : 496,774.31 = 106,562.97 : x
  2. Step 2: Convert to fraction form
    331,252.61/496,774.31 = 106,562.97/x
  3. Step 3: Cross multiply
    331,252.61x = 496,774.31 × 106,562.97
  4. Step 4: Simplify right side
    331,252.61x = 52,937,745,360.49
  5. Step 5: Solve for x
    x = 52,937,745,360.49/331,252.61
  6. Step 6: Final answer
    x = 159,810.80

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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.