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Finding the Fourth Proportional to 68,557.44, 102,718.80 and 37,414.56

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Solution

The fourth proportional to 68,557.44, 102,718.80 and 37,414.56 is: 56,057.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,557.44 : 102,718.80 = 37,414.56 : x
  2. Step 2: Convert to fraction form
    68,557.44/102,718.80 = 37,414.56/x
  3. Step 3: Cross multiply
    68,557.44x = 102,718.80 × 37,414.56
  4. Step 4: Simplify right side
    68,557.44x = 3,843,178,705.73
  5. Step 5: Solve for x
    x = 3,843,178,705.73/68,557.44
  6. Step 6: Final answer
    x = 56,057.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.