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Finding the Fourth Proportional to 246,243.53, 369,299.61 and 68,719.34

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Solution

The fourth proportional to 246,243.53, 369,299.61 and 68,719.34 is: 103,060.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,243.53 : 369,299.61 = 68,719.34 : x
  2. Step 2: Convert to fraction form
    246,243.53/369,299.61 = 68,719.34/x
  3. Step 3: Cross multiply
    246,243.53x = 369,299.61 × 68,719.34
  4. Step 4: Simplify right side
    246,243.53x = 25,378,023,614.96
  5. Step 5: Solve for x
    x = 25,378,023,614.96/246,243.53
  6. Step 6: Final answer
    x = 103,060.67

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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.