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Finding the Fourth Proportional to 220,136.16, 330,204.24 and 88,716

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Solution

The fourth proportional to 220,136.16, 330,204.24 and 88,716 is: 133,074

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,136.16 : 330,204.24 = 88,716 : x
  2. Step 2: Convert to fraction form
    220,136.16/330,204.24 = 88,716/x
  3. Step 3: Cross multiply
    220,136.16x = 330,204.24 × 88,716
  4. Step 4: Simplify right side
    220,136.16x = 29,294,399,355.84
  5. Step 5: Solve for x
    x = 29,294,399,355.84/220,136.16
  6. Step 6: Final answer
    x = 133,074

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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.