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Finding the Fourth Proportional to 53,670.20, 80,505.30 and 16,734.20

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Solution

The fourth proportional to 53,670.20, 80,505.30 and 16,734.20 is: 25,101.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,670.20 : 80,505.30 = 16,734.20 : x
  2. Step 2: Convert to fraction form
    53,670.20/80,505.30 = 16,734.20/x
  3. Step 3: Cross multiply
    53,670.20x = 80,505.30 × 16,734.20
  4. Step 4: Simplify right side
    53,670.20x = 1,347,191,388.73
  5. Step 5: Solve for x
    x = 1,347,191,388.73/53,670.20
  6. Step 6: Final answer
    x = 25,101.29

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.