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Finding the Fourth Proportional to 84,959, 117,243.56 and 47,233.25

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Solution

The fourth proportional to 84,959, 117,243.56 and 47,233.25 is: 65,181.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,959 : 117,243.56 = 47,233.25 : x
  2. Step 2: Convert to fraction form
    84,959/117,243.56 = 47,233.25/x
  3. Step 3: Cross multiply
    84,959x = 117,243.56 × 47,233.25
  4. Step 4: Simplify right side
    84,959x = 5,537,794,380.37
  5. Step 5: Solve for x
    x = 5,537,794,380.37/84,959
  6. Step 6: Final answer
    x = 65,181.96

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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.