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Finding the Fourth Proportional to 89,169.75, 133,660.35 and 32,973.80

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Solution

The fourth proportional to 89,169.75, 133,660.35 and 32,973.80 is: 49,425.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,169.75 : 133,660.35 = 32,973.80 : x
  2. Step 2: Convert to fraction form
    89,169.75/133,660.35 = 32,973.80/x
  3. Step 3: Cross multiply
    89,169.75x = 133,660.35 × 32,973.80
  4. Step 4: Simplify right side
    89,169.75x = 4,407,288,980.53
  5. Step 5: Solve for x
    x = 4,407,288,980.53/89,169.75
  6. Step 6: Final answer
    x = 49,425.83

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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.