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Finding the Fourth Proportional to 246,994.60, 340,727.14 and 156,197.64

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Solution

The fourth proportional to 246,994.60, 340,727.14 and 156,197.64 is: 215,473.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,994.60 : 340,727.14 = 156,197.64 : x
  2. Step 2: Convert to fraction form
    246,994.60/340,727.14 = 156,197.64/x
  3. Step 3: Cross multiply
    246,994.60x = 340,727.14 × 156,197.64
  4. Step 4: Simplify right side
    246,994.60x = 53,220,775,151.95
  5. Step 5: Solve for x
    x = 53,220,775,151.95/246,994.60
  6. Step 6: Final answer
    x = 215,473.44

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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.