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Finding the Fourth Proportional to 79,455.52, 109,651.08 and 43,644.88

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Solution

The fourth proportional to 79,455.52, 109,651.08 and 43,644.88 is: 60,231.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,455.52 : 109,651.08 = 43,644.88 : x
  2. Step 2: Convert to fraction form
    79,455.52/109,651.08 = 43,644.88/x
  3. Step 3: Cross multiply
    79,455.52x = 109,651.08 × 43,644.88
  4. Step 4: Simplify right side
    79,455.52x = 4,785,708,228.47
  5. Step 5: Solve for x
    x = 4,785,708,228.47/79,455.52
  6. Step 6: Final answer
    x = 60,231.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.