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Finding the Fourth Proportional to 103,847.94, 155,772.60 and 37,288.68

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Solution

The fourth proportional to 103,847.94, 155,772.60 and 37,288.68 is: 55,933.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,847.94 : 155,772.60 = 37,288.68 : x
  2. Step 2: Convert to fraction form
    103,847.94/155,772.60 = 37,288.68/x
  3. Step 3: Cross multiply
    103,847.94x = 155,772.60 × 37,288.68
  4. Step 4: Simplify right side
    103,847.94x = 5,808,554,634.17
  5. Step 5: Solve for x
    x = 5,808,554,634.17/103,847.94
  6. Step 6: Final answer
    x = 55,933.27

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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.