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Finding the Fourth Proportional to 73,806.40, 110,563.80 and 44,136.10

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Solution

The fourth proportional to 73,806.40, 110,563.80 and 44,136.10 is: 66,116.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,806.40 : 110,563.80 = 44,136.10 : x
  2. Step 2: Convert to fraction form
    73,806.40/110,563.80 = 44,136.10/x
  3. Step 3: Cross multiply
    73,806.40x = 110,563.80 × 44,136.10
  4. Step 4: Simplify right side
    73,806.40x = 4,879,854,933.18
  5. Step 5: Solve for x
    x = 4,879,854,933.18/73,806.40
  6. Step 6: Final answer
    x = 66,116.96

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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.