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Finding the Fourth Proportional to 246,612.88, 340,299.72 and 143,226.88

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Solution

The fourth proportional to 246,612.88, 340,299.72 and 143,226.88 is: 197,637.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,612.88 : 340,299.72 = 143,226.88 : x
  2. Step 2: Convert to fraction form
    246,612.88/340,299.72 = 143,226.88/x
  3. Step 3: Cross multiply
    246,612.88x = 340,299.72 × 143,226.88
  4. Step 4: Simplify right side
    246,612.88x = 48,740,067,160.47
  5. Step 5: Solve for x
    x = 48,740,067,160.47/246,612.88
  6. Step 6: Final answer
    x = 197,637.96

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1.5x scale

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.