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Finding the Fourth Proportional to 68,157.58, 94,061.07 and 37,945.54

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Solution

The fourth proportional to 68,157.58, 94,061.07 and 37,945.54 is: 52,366.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,157.58 : 94,061.07 = 37,945.54 : x
  2. Step 2: Convert to fraction form
    68,157.58/94,061.07 = 37,945.54/x
  3. Step 3: Cross multiply
    68,157.58x = 94,061.07 × 37,945.54
  4. Step 4: Simplify right side
    68,157.58x = 3,569,198,094.13
  5. Step 5: Solve for x
    x = 3,569,198,094.13/68,157.58
  6. Step 6: Final answer
    x = 52,366.85

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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.