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Finding the Fourth Proportional to 246,163.02, 369,310.65 and 77,689.86

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Solution

The fourth proportional to 246,163.02, 369,310.65 and 77,689.86 is: 116,555.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,163.02 : 369,310.65 = 77,689.86 : x
  2. Step 2: Convert to fraction form
    246,163.02/369,310.65 = 77,689.86/x
  3. Step 3: Cross multiply
    246,163.02x = 369,310.65 × 77,689.86
  4. Step 4: Simplify right side
    246,163.02x = 28,691,692,695.01
  5. Step 5: Solve for x
    x = 28,691,692,695.01/246,163.02
  6. Step 6: Final answer
    x = 116,555.66

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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.