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Finding the Fourth Proportional to 79,256.88, 118,936.83 and 34,322.12

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Solution

The fourth proportional to 79,256.88, 118,936.83 and 34,322.12 is: 51,505.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,256.88 : 118,936.83 = 34,322.12 : x
  2. Step 2: Convert to fraction form
    79,256.88/118,936.83 = 34,322.12/x
  3. Step 3: Cross multiply
    79,256.88x = 118,936.83 × 34,322.12
  4. Step 4: Simplify right side
    79,256.88x = 4,082,163,557.00
  5. Step 5: Solve for x
    x = 4,082,163,557.00/79,256.88
  6. Step 6: Final answer
    x = 51,505.48

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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.