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Finding the Fourth Proportional to 68,155.58, 94,058.31 and 37,943.54

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Solution

The fourth proportional to 68,155.58, 94,058.31 and 37,943.54 is: 52,364.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,155.58 : 94,058.31 = 37,943.54 : x
  2. Step 2: Convert to fraction form
    68,155.58/94,058.31 = 37,943.54/x
  3. Step 3: Cross multiply
    68,155.58x = 94,058.31 × 37,943.54
  4. Step 4: Simplify right side
    68,155.58x = 3,568,905,272.53
  5. Step 5: Solve for x
    x = 3,568,905,272.53/68,155.58
  6. Step 6: Final answer
    x = 52,364.10

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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.