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Finding the Fourth Proportional to 246,490.64, 340,157.31 and 133,313.39

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Solution

The fourth proportional to 246,490.64, 340,157.31 and 133,313.39 is: 183,972.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,490.64 : 340,157.31 = 133,313.39 : x
  2. Step 2: Convert to fraction form
    246,490.64/340,157.31 = 133,313.39/x
  3. Step 3: Cross multiply
    246,490.64x = 340,157.31 × 133,313.39
  4. Step 4: Simplify right side
    246,490.64x = 45,347,524,129.38
  5. Step 5: Solve for x
    x = 45,347,524,129.38/246,490.64
  6. Step 6: Final answer
    x = 183,972.60

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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.