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Finding the Fourth Proportional to 234,380.99, 351,571.59 and 65,919.22

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Solution

The fourth proportional to 234,380.99, 351,571.59 and 65,919.22 is: 98,878.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,380.99 : 351,571.59 = 65,919.22 : x
  2. Step 2: Convert to fraction form
    234,380.99/351,571.59 = 65,919.22/x
  3. Step 3: Cross multiply
    234,380.99x = 351,571.59 × 65,919.22
  4. Step 4: Simplify right side
    234,380.99x = 23,175,324,108.03
  5. Step 5: Solve for x
    x = 23,175,324,108.03/234,380.99
  6. Step 6: Final answer
    x = 98,878.85

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1.5x scale

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.