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Finding the Fourth Proportional to 49,169.40, 73,710.90 and 29,455.80

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Solution

The fourth proportional to 49,169.40, 73,710.90 and 29,455.80 is: 44,157.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,169.40 : 73,710.90 = 29,455.80 : x
  2. Step 2: Convert to fraction form
    49,169.40/73,710.90 = 29,455.80/x
  3. Step 3: Cross multiply
    49,169.40x = 73,710.90 × 29,455.80
  4. Step 4: Simplify right side
    49,169.40x = 2,171,213,528.22
  5. Step 5: Solve for x
    x = 2,171,213,528.22/49,169.40
  6. Step 6: Final answer
    x = 44,157.82

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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.