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Finding the Fourth Proportional to 274,151.03, 411,232.20 and 84,611.53

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Solution

The fourth proportional to 274,151.03, 411,232.20 and 84,611.53 is: 126,919.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,151.03 : 411,232.20 = 84,611.53 : x
  2. Step 2: Convert to fraction form
    274,151.03/411,232.20 = 84,611.53/x
  3. Step 3: Cross multiply
    274,151.03x = 411,232.20 × 84,611.53
  4. Step 4: Simplify right side
    274,151.03x = 34,794,984,599.19
  5. Step 5: Solve for x
    x = 34,794,984,599.19/274,151.03
  6. Step 6: Final answer
    x = 126,919.04

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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.