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Finding the Fourth Proportional to 73,149.84, 109,537.36 and 50,629.32

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Solution

The fourth proportional to 73,149.84, 109,537.36 and 50,629.32 is: 75,814.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,149.84 : 109,537.36 = 50,629.32 : x
  2. Step 2: Convert to fraction form
    73,149.84/109,537.36 = 50,629.32/x
  3. Step 3: Cross multiply
    73,149.84x = 109,537.36 × 50,629.32
  4. Step 4: Simplify right side
    73,149.84x = 5,545,802,051.40
  5. Step 5: Solve for x
    x = 5,545,802,051.40/73,149.84
  6. Step 6: Final answer
    x = 75,814.27

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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.