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Finding the Fourth Proportional to 101,319.44, 151,934.92 and 38,946

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Solution

The fourth proportional to 101,319.44, 151,934.92 and 38,946 is: 58,401.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,319.44 : 151,934.92 = 38,946 : x
  2. Step 2: Convert to fraction form
    101,319.44/151,934.92 = 38,946/x
  3. Step 3: Cross multiply
    101,319.44x = 151,934.92 × 38,946
  4. Step 4: Simplify right side
    101,319.44x = 5,917,257,394.32
  5. Step 5: Solve for x
    x = 5,917,257,394.32/101,319.44
  6. Step 6: Final answer
    x = 58,401.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.