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Finding the Fourth Proportional to 79,108.64, 118,682 and 32,361.66

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Solution

The fourth proportional to 79,108.64, 118,682 and 32,361.66 is: 48,550.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,108.64 : 118,682 = 32,361.66 : x
  2. Step 2: Convert to fraction form
    79,108.64/118,682 = 32,361.66/x
  3. Step 3: Cross multiply
    79,108.64x = 118,682 × 32,361.66
  4. Step 4: Simplify right side
    79,108.64x = 3,840,746,532.12
  5. Step 5: Solve for x
    x = 3,840,746,532.12/79,108.64
  6. Step 6: Final answer
    x = 48,550.28

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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.