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Finding the Fourth Proportional to 79,361.60, 119,042.28 and 32,581.52

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Solution

The fourth proportional to 79,361.60, 119,042.28 and 32,581.52 is: 48,872.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,361.60 : 119,042.28 = 32,581.52 : x
  2. Step 2: Convert to fraction form
    79,361.60/119,042.28 = 32,581.52/x
  3. Step 3: Cross multiply
    79,361.60x = 119,042.28 × 32,581.52
  4. Step 4: Simplify right side
    79,361.60x = 3,878,578,426.67
  5. Step 5: Solve for x
    x = 3,878,578,426.67/79,361.60
  6. Step 6: Final answer
    x = 48,872.23

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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.