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Finding the Fourth Proportional to 246,665.25, 340,398.05 and 133,488

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Solution

The fourth proportional to 246,665.25, 340,398.05 and 133,488 is: 184,213.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,665.25 : 340,398.05 = 133,488 : x
  2. Step 2: Convert to fraction form
    246,665.25/340,398.05 = 133,488/x
  3. Step 3: Cross multiply
    246,665.25x = 340,398.05 × 133,488
  4. Step 4: Simplify right side
    246,665.25x = 45,439,054,230.96
  5. Step 5: Solve for x
    x = 45,439,054,230.96/246,665.25
  6. Step 6: Final answer
    x = 184,213.44

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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.