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Finding the Fourth Proportional to 246,238.60, 369,372.30 and 77,764.12

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Solution

The fourth proportional to 246,238.60, 369,372.30 and 77,764.12 is: 116,650.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,238.60 : 369,372.30 = 77,764.12 : x
  2. Step 2: Convert to fraction form
    246,238.60/369,372.30 = 77,764.12/x
  3. Step 3: Cross multiply
    246,238.60x = 369,372.30 × 77,764.12
  4. Step 4: Simplify right side
    246,238.60x = 28,723,911,861.88
  5. Step 5: Solve for x
    x = 28,723,911,861.88/246,238.60
  6. Step 6: Final answer
    x = 116,650.73

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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.