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Finding the Fourth Proportional to 117,276.87, 175,936.94 and 38,395.47

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Solution

The fourth proportional to 117,276.87, 175,936.94 and 38,395.47 is: 57,600.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,276.87 : 175,936.94 = 38,395.47 : x
  2. Step 2: Convert to fraction form
    117,276.87/175,936.94 = 38,395.47/x
  3. Step 3: Cross multiply
    117,276.87x = 175,936.94 × 38,395.47
  4. Step 4: Simplify right side
    117,276.87x = 6,755,181,309.68
  5. Step 5: Solve for x
    x = 6,755,181,309.68/117,276.87
  6. Step 6: Final answer
    x = 57,600.29

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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.