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Finding the Fourth Proportional to 68,261.92, 102,096.96 and 40,114.96

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Solution

The fourth proportional to 68,261.92, 102,096.96 and 40,114.96 is: 59,998.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,261.92 : 102,096.96 = 40,114.96 : x
  2. Step 2: Convert to fraction form
    68,261.92/102,096.96 = 40,114.96/x
  3. Step 3: Cross multiply
    68,261.92x = 102,096.96 × 40,114.96
  4. Step 4: Simplify right side
    68,261.92x = 4,095,615,466.52
  5. Step 5: Solve for x
    x = 4,095,615,466.52/68,261.92
  6. Step 6: Final answer
    x = 59,998.54

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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.