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Finding the Fourth Proportional to 301,051.12, 451,519.11 and 151,249.90

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Solution

The fourth proportional to 301,051.12, 451,519.11 and 151,249.90 is: 226,845.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,051.12 : 451,519.11 = 151,249.90 : x
  2. Step 2: Convert to fraction form
    301,051.12/451,519.11 = 151,249.90/x
  3. Step 3: Cross multiply
    301,051.12x = 451,519.11 × 151,249.90
  4. Step 4: Simplify right side
    301,051.12x = 68,292,220,235.59
  5. Step 5: Solve for x
    x = 68,292,220,235.59/301,051.12
  6. Step 6: Final answer
    x = 226,845.93

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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.