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Finding the Fourth Proportional to 246,365.28, 339,984 and 133,188

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Solution

The fourth proportional to 246,365.28, 339,984 and 133,188 is: 183,799.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,365.28 : 339,984 = 133,188 : x
  2. Step 2: Convert to fraction form
    246,365.28/339,984 = 133,188/x
  3. Step 3: Cross multiply
    246,365.28x = 339,984 × 133,188
  4. Step 4: Simplify right side
    246,365.28x = 45,281,788,992
  5. Step 5: Solve for x
    x = 45,281,788,992/246,365.28
  6. Step 6: Final answer
    x = 183,799.39

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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.