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Finding the Fourth Proportional to 73,611.90, 110,363.85 and 29,216.70

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Solution

The fourth proportional to 73,611.90, 110,363.85 and 29,216.70 is: 43,803.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,611.90 : 110,363.85 = 29,216.70 : x
  2. Step 2: Convert to fraction form
    73,611.90/110,363.85 = 29,216.70/x
  3. Step 3: Cross multiply
    73,611.90x = 110,363.85 × 29,216.70
  4. Step 4: Simplify right side
    73,611.90x = 3,224,467,496.30
  5. Step 5: Solve for x
    x = 3,224,467,496.30/73,611.90
  6. Step 6: Final answer
    x = 43,803.62

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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.