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Finding the Fourth Proportional to 79,573.60, 119,331.60 and 32,168.80

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Solution

The fourth proportional to 79,573.60, 119,331.60 and 32,168.80 is: 48,241.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,573.60 : 119,331.60 = 32,168.80 : x
  2. Step 2: Convert to fraction form
    79,573.60/119,331.60 = 32,168.80/x
  3. Step 3: Cross multiply
    79,573.60x = 119,331.60 × 32,168.80
  4. Step 4: Simplify right side
    79,573.60x = 3,838,754,374.08
  5. Step 5: Solve for x
    x = 3,838,754,374.08/79,573.60
  6. Step 6: Final answer
    x = 48,241.56

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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.