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Finding the Fourth Proportional to 68,124.52, 94,016.74 and 37,912.20

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Solution

The fourth proportional to 68,124.52, 94,016.74 and 37,912.20 is: 52,321.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,124.52 : 94,016.74 = 37,912.20 : x
  2. Step 2: Convert to fraction form
    68,124.52/94,016.74 = 37,912.20/x
  3. Step 3: Cross multiply
    68,124.52x = 94,016.74 × 37,912.20
  4. Step 4: Simplify right side
    68,124.52x = 3,564,381,450.23
  5. Step 5: Solve for x
    x = 3,564,381,450.23/68,124.52
  6. Step 6: Final answer
    x = 52,321.56

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1.5x scale

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.