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Finding the Fourth Proportional to 246,496.78, 340,165.50 and 133,319.50

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Solution

The fourth proportional to 246,496.78, 340,165.50 and 133,319.50 is: 183,980.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,496.78 : 340,165.50 = 133,319.50 : x
  2. Step 2: Convert to fraction form
    246,496.78/340,165.50 = 133,319.50/x
  3. Step 3: Cross multiply
    246,496.78x = 340,165.50 × 133,319.50
  4. Step 4: Simplify right side
    246,496.78x = 45,350,694,377.25
  5. Step 5: Solve for x
    x = 45,350,694,377.25/246,496.78
  6. Step 6: Final answer
    x = 183,980.88

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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.