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Finding the Fourth Proportional to 68,015.88, 93,862.11 and 37,801.11

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Solution

The fourth proportional to 68,015.88, 93,862.11 and 37,801.11 is: 52,165.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,015.88 : 93,862.11 = 37,801.11 : x
  2. Step 2: Convert to fraction form
    68,015.88/93,862.11 = 37,801.11/x
  3. Step 3: Cross multiply
    68,015.88x = 93,862.11 × 37,801.11
  4. Step 4: Simplify right side
    68,015.88x = 3,548,091,944.94
  5. Step 5: Solve for x
    x = 3,548,091,944.94/68,015.88
  6. Step 6: Final answer
    x = 52,165.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.