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Finding the Fourth Proportional to 169,062.66, 253,596.42 and 80,325.27

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Solution

The fourth proportional to 169,062.66, 253,596.42 and 80,325.27 is: 120,489.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,062.66 : 253,596.42 = 80,325.27 : x
  2. Step 2: Convert to fraction form
    169,062.66/253,596.42 = 80,325.27/x
  3. Step 3: Cross multiply
    169,062.66x = 253,596.42 × 80,325.27
  4. Step 4: Simplify right side
    169,062.66x = 20,370,200,907.53
  5. Step 5: Solve for x
    x = 20,370,200,907.53/169,062.66
  6. Step 6: Final answer
    x = 120,489.06

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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.