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Finding the Fourth Proportional to 291,381.62, 437,134.96 and 165,082.37

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Solution

The fourth proportional to 291,381.62, 437,134.96 and 165,082.37 is: 247,658.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,381.62 : 437,134.96 = 165,082.37 : x
  2. Step 2: Convert to fraction form
    291,381.62/437,134.96 = 165,082.37/x
  3. Step 3: Cross multiply
    291,381.62x = 437,134.96 × 165,082.37
  4. Step 4: Simplify right side
    291,381.62x = 72,163,275,206.66
  5. Step 5: Solve for x
    x = 72,163,275,206.66/291,381.62
  6. Step 6: Final answer
    x = 247,658.98

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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.