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Finding the Fourth Proportional to 169,093.56, 253,612.02 and 56,761.20

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Solution

The fourth proportional to 169,093.56, 253,612.02 and 56,761.20 is: 85,132.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,093.56 : 253,612.02 = 56,761.20 : x
  2. Step 2: Convert to fraction form
    169,093.56/253,612.02 = 56,761.20/x
  3. Step 3: Cross multiply
    169,093.56x = 253,612.02 × 56,761.20
  4. Step 4: Simplify right side
    169,093.56x = 14,395,322,589.62
  5. Step 5: Solve for x
    x = 14,395,322,589.62/169,093.56
  6. Step 6: Final answer
    x = 85,132.29

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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.