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Finding the Fourth Proportional to 301,080.26, 451,621.17 and 101,540.81

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Solution

The fourth proportional to 301,080.26, 451,621.17 and 101,540.81 is: 152,311.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,080.26 : 451,621.17 = 101,540.81 : x
  2. Step 2: Convert to fraction form
    301,080.26/451,621.17 = 101,540.81/x
  3. Step 3: Cross multiply
    301,080.26x = 451,621.17 × 101,540.81
  4. Step 4: Simplify right side
    301,080.26x = 45,857,978,003.63
  5. Step 5: Solve for x
    x = 45,857,978,003.63/301,080.26
  6. Step 6: Final answer
    x = 152,311.47

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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.