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Finding the Fourth Proportional to 59,179.21, 81,664.00 and 33,691.78

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Solution

The fourth proportional to 59,179.21, 81,664.00 and 33,691.78 is: 46,492.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,179.21 : 81,664.00 = 33,691.78 : x
  2. Step 2: Convert to fraction form
    59,179.21/81,664.00 = 33,691.78/x
  3. Step 3: Cross multiply
    59,179.21x = 81,664.00 × 33,691.78
  4. Step 4: Simplify right side
    59,179.21x = 2,751,405,539.77
  5. Step 5: Solve for x
    x = 2,751,405,539.77/59,179.21
  6. Step 6: Final answer
    x = 46,492.77

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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.