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Finding the Fourth Proportional to 80,893.68, 121,340.52 and 25,494

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Solution

The fourth proportional to 80,893.68, 121,340.52 and 25,494 is: 38,241.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,893.68 : 121,340.52 = 25,494 : x
  2. Step 2: Convert to fraction form
    80,893.68/121,340.52 = 25,494/x
  3. Step 3: Cross multiply
    80,893.68x = 121,340.52 × 25,494
  4. Step 4: Simplify right side
    80,893.68x = 3,093,455,216.88
  5. Step 5: Solve for x
    x = 3,093,455,216.88/80,893.68
  6. Step 6: Final answer
    x = 38,241.00

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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.