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Finding the Fourth Proportional to 246,646, 340,371.78 and 133,468.75

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Solution

The fourth proportional to 246,646, 340,371.78 and 133,468.75 is: 184,187.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,646 : 340,371.78 = 133,468.75 : x
  2. Step 2: Convert to fraction form
    246,646/340,371.78 = 133,468.75/x
  3. Step 3: Cross multiply
    246,646x = 340,371.78 × 133,468.75
  4. Step 4: Simplify right side
    246,646x = 45,428,996,011.88
  5. Step 5: Solve for x
    x = 45,428,996,011.88/246,646
  6. Step 6: Final answer
    x = 184,187.04

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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.