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Finding the Fourth Proportional to 330,842.72, 496,217.12 and 106,174.04

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Solution

The fourth proportional to 330,842.72, 496,217.12 and 106,174.04 is: 159,245.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,842.72 : 496,217.12 = 106,174.04 : x
  2. Step 2: Convert to fraction form
    330,842.72/496,217.12 = 106,174.04/x
  3. Step 3: Cross multiply
    330,842.72x = 496,217.12 × 106,174.04
  4. Step 4: Simplify right side
    330,842.72x = 52,685,374,131.91
  5. Step 5: Solve for x
    x = 52,685,374,131.91/330,842.72
  6. Step 6: Final answer
    x = 159,245.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.