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Finding the Fourth Proportional to 101,995,612.80, 152,993,419.20 and 73,510,375.20

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Solution

The fourth proportional to 101,995,612.80, 152,993,419.20 and 73,510,375.20 is: 110,265,562.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,995,612.80 : 152,993,419.20 = 73,510,375.20 : x
  2. Step 2: Convert to fraction form
    101,995,612.80/152,993,419.20 = 73,510,375.20/x
  3. Step 3: Cross multiply
    101,995,612.80x = 152,993,419.20 × 73,510,375.20
  4. Step 4: Simplify right side
    101,995,612.80x = 11,246,603,648,522,884
  5. Step 5: Solve for x
    x = 11,246,603,648,522,884/101,995,612.80
  6. Step 6: Final answer
    x = 110,265,562.80

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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.