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Finding the Fourth Proportional to 103,843.77, 155,786.52 and 37,289.12

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Solution

The fourth proportional to 103,843.77, 155,786.52 and 37,289.12 is: 55,941.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,843.77 : 155,786.52 = 37,289.12 : x
  2. Step 2: Convert to fraction form
    103,843.77/155,786.52 = 37,289.12/x
  3. Step 3: Cross multiply
    103,843.77x = 155,786.52 × 37,289.12
  4. Step 4: Simplify right side
    103,843.77x = 5,809,141,459.73
  5. Step 5: Solve for x
    x = 5,809,141,459.73/103,843.77
  6. Step 6: Final answer
    x = 55,941.16

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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.