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Finding the Fourth Proportional to 234,136.74, 323,109.50 and 126,706.74

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Solution

The fourth proportional to 234,136.74, 323,109.50 and 126,706.74 is: 174,855.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,136.74 : 323,109.50 = 126,706.74 : x
  2. Step 2: Convert to fraction form
    234,136.74/323,109.50 = 126,706.74/x
  3. Step 3: Cross multiply
    234,136.74x = 323,109.50 × 126,706.74
  4. Step 4: Simplify right side
    234,136.74x = 40,940,151,408.03
  5. Step 5: Solve for x
    x = 40,940,151,408.03/234,136.74
  6. Step 6: Final answer
    x = 174,855.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.