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Finding the Fourth Proportional to 79,297.66, 118,944.21 and 29,376.65

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Solution

The fourth proportional to 79,297.66, 118,944.21 and 29,376.65 is: 44,064.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,297.66 : 118,944.21 = 29,376.65 : x
  2. Step 2: Convert to fraction form
    79,297.66/118,944.21 = 29,376.65/x
  3. Step 3: Cross multiply
    79,297.66x = 118,944.21 × 29,376.65
  4. Step 4: Simplify right side
    79,297.66x = 3,494,182,426.70
  5. Step 5: Solve for x
    x = 3,494,182,426.70/79,297.66
  6. Step 6: Final answer
    x = 44,064.13

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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.