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Finding the Fourth Proportional to 72,092.40, 108,136.44 and 22,170.48

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Solution

The fourth proportional to 72,092.40, 108,136.44 and 22,170.48 is: 33,255.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,092.40 : 108,136.44 = 22,170.48 : x
  2. Step 2: Convert to fraction form
    72,092.40/108,136.44 = 22,170.48/x
  3. Step 3: Cross multiply
    72,092.40x = 108,136.44 × 22,170.48
  4. Step 4: Simplify right side
    72,092.40x = 2,397,436,780.29
  5. Step 5: Solve for x
    x = 2,397,436,780.29/72,092.40
  6. Step 6: Final answer
    x = 33,255.06

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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.