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Finding the Fourth Proportional to 68,096.74, 102,158.08 and 26,540.50

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Solution

The fourth proportional to 68,096.74, 102,158.08 and 26,540.50 is: 39,815.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,096.74 : 102,158.08 = 26,540.50 : x
  2. Step 2: Convert to fraction form
    68,096.74/102,158.08 = 26,540.50/x
  3. Step 3: Cross multiply
    68,096.74x = 102,158.08 × 26,540.50
  4. Step 4: Simplify right side
    68,096.74x = 2,711,326,522.24
  5. Step 5: Solve for x
    x = 2,711,326,522.24/68,096.74
  6. Step 6: Final answer
    x = 39,815.81

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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.