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Finding the Fourth Proportional to 79,529.60, 119,265.60 and 32,124.80

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Solution

The fourth proportional to 79,529.60, 119,265.60 and 32,124.80 is: 48,175.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,529.60 : 119,265.60 = 32,124.80 : x
  2. Step 2: Convert to fraction form
    79,529.60/119,265.60 = 32,124.80/x
  3. Step 3: Cross multiply
    79,529.60x = 119,265.60 × 32,124.80
  4. Step 4: Simplify right side
    79,529.60x = 3,831,383,546.88
  5. Step 5: Solve for x
    x = 3,831,383,546.88/79,529.60
  6. Step 6: Final answer
    x = 48,175.57

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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.