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Finding the Fourth Proportional to 117,295.36, 175,801.98 and 54,028.48

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Solution

The fourth proportional to 117,295.36, 175,801.98 and 54,028.48 is: 80,977.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,295.36 : 175,801.98 = 54,028.48 : x
  2. Step 2: Convert to fraction form
    117,295.36/175,801.98 = 54,028.48/x
  3. Step 3: Cross multiply
    117,295.36x = 175,801.98 × 54,028.48
  4. Step 4: Simplify right side
    117,295.36x = 9,498,313,760.39
  5. Step 5: Solve for x
    x = 9,498,313,760.39/117,295.36
  6. Step 6: Final answer
    x = 80,977.75

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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.