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Finding the Fourth Proportional to 262,082.15, 393,304.98 and 119,944.79

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Solution

The fourth proportional to 262,082.15, 393,304.98 and 119,944.79 is: 180,000.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,082.15 : 393,304.98 = 119,944.79 : x
  2. Step 2: Convert to fraction form
    262,082.15/393,304.98 = 119,944.79/x
  3. Step 3: Cross multiply
    262,082.15x = 393,304.98 × 119,944.79
  4. Step 4: Simplify right side
    262,082.15x = 47,174,883,232.05
  5. Step 5: Solve for x
    x = 47,174,883,232.05/262,082.15
  6. Step 6: Final answer
    x = 180,000.37

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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.