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Finding the Fourth Proportional to 246,967.80, 340,815.50 and 133,790.52

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Solution

The fourth proportional to 246,967.80, 340,815.50 and 133,790.52 is: 184,630.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,967.80 : 340,815.50 = 133,790.52 : x
  2. Step 2: Convert to fraction form
    246,967.80/340,815.50 = 133,790.52/x
  3. Step 3: Cross multiply
    246,967.80x = 340,815.50 × 133,790.52
  4. Step 4: Simplify right side
    246,967.80x = 45,597,882,969.06
  5. Step 5: Solve for x
    x = 45,597,882,969.06/246,967.80
  6. Step 6: Final answer
    x = 184,630.88

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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.