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Finding the Fourth Proportional to 111,337.80, 167,136.30 and 67,014.60

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Solution

The fourth proportional to 111,337.80, 167,136.30 and 67,014.60 is: 100,599.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,337.80 : 167,136.30 = 67,014.60 : x
  2. Step 2: Convert to fraction form
    111,337.80/167,136.30 = 67,014.60/x
  3. Step 3: Cross multiply
    111,337.80x = 167,136.30 × 67,014.60
  4. Step 4: Simplify right side
    111,337.80x = 11,200,572,289.98
  5. Step 5: Solve for x
    x = 11,200,572,289.98/111,337.80
  6. Step 6: Final answer
    x = 100,599.91

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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.