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Finding the Fourth Proportional to 72,189.44, 108,270.96 and 32,737.04

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Solution

The fourth proportional to 72,189.44, 108,270.96 and 32,737.04 is: 49,099.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,189.44 : 108,270.96 = 32,737.04 : x
  2. Step 2: Convert to fraction form
    72,189.44/108,270.96 = 32,737.04/x
  3. Step 3: Cross multiply
    72,189.44x = 108,270.96 × 32,737.04
  4. Step 4: Simplify right side
    72,189.44x = 3,544,470,748.36
  5. Step 5: Solve for x
    x = 3,544,470,748.36/72,189.44
  6. Step 6: Final answer
    x = 49,099.57

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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.