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Finding the Fourth Proportional to 79,220.64, 118,823.22 and 32,469.96

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Solution

The fourth proportional to 79,220.64, 118,823.22 and 32,469.96 is: 48,701.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,220.64 : 118,823.22 = 32,469.96 : x
  2. Step 2: Convert to fraction form
    79,220.64/118,823.22 = 32,469.96/x
  3. Step 3: Cross multiply
    79,220.64x = 118,823.22 × 32,469.96
  4. Step 4: Simplify right side
    79,220.64x = 3,858,185,200.47
  5. Step 5: Solve for x
    x = 3,858,185,200.47/79,220.64
  6. Step 6: Final answer
    x = 48,701.77

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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.