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Finding the Fourth Proportional to 72,059.64, 108,104.34 and 22,136.76

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Solution

The fourth proportional to 72,059.64, 108,104.34 and 22,136.76 is: 33,209.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,059.64 : 108,104.34 = 22,136.76 : x
  2. Step 2: Convert to fraction form
    72,059.64/108,104.34 = 22,136.76/x
  3. Step 3: Cross multiply
    72,059.64x = 108,104.34 × 22,136.76
  4. Step 4: Simplify right side
    72,059.64x = 2,393,079,829.54
  5. Step 5: Solve for x
    x = 2,393,079,829.54/72,059.64
  6. Step 6: Final answer
    x = 33,209.71

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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.