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Finding the Fourth Proportional to 329,165.16, 493,747.94 and 79,847.16

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Solution

The fourth proportional to 329,165.16, 493,747.94 and 79,847.16 is: 119,770.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,165.16 : 493,747.94 = 79,847.16 : x
  2. Step 2: Convert to fraction form
    329,165.16/493,747.94 = 79,847.16/x
  3. Step 3: Cross multiply
    329,165.16x = 493,747.94 × 79,847.16
  4. Step 4: Simplify right side
    329,165.16x = 39,424,368,663.77
  5. Step 5: Solve for x
    x = 39,424,368,663.77/329,165.16
  6. Step 6: Final answer
    x = 119,770.78

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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.