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Finding the Fourth Proportional to 246,651.12, 340,380.12 and 144,655.86

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Solution

The fourth proportional to 246,651.12, 340,380.12 and 144,655.86 is: 199,626.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,651.12 : 340,380.12 = 144,655.86 : x
  2. Step 2: Convert to fraction form
    246,651.12/340,380.12 = 144,655.86/x
  3. Step 3: Cross multiply
    246,651.12x = 340,380.12 × 144,655.86
  4. Step 4: Simplify right side
    246,651.12x = 49,237,978,985.50
  5. Step 5: Solve for x
    x = 49,237,978,985.50/246,651.12
  6. Step 6: Final answer
    x = 199,626.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.