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Finding the Fourth Proportional to 68,293.32, 94,251 and 41,442.66

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Solution

The fourth proportional to 68,293.32, 94,251 and 41,442.66 is: 57,194.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,293.32 : 94,251 = 41,442.66 : x
  2. Step 2: Convert to fraction form
    68,293.32/94,251 = 41,442.66/x
  3. Step 3: Cross multiply
    68,293.32x = 94,251 × 41,442.66
  4. Step 4: Simplify right side
    68,293.32x = 3,906,012,147.66
  5. Step 5: Solve for x
    x = 3,906,012,147.66/68,293.32
  6. Step 6: Final answer
    x = 57,194.64

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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.