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Finding the Fourth Proportional to 159,279.36, 238,919.04 and 65,682.24

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Solution

The fourth proportional to 159,279.36, 238,919.04 and 65,682.24 is: 98,523.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,279.36 : 238,919.04 = 65,682.24 : x
  2. Step 2: Convert to fraction form
    159,279.36/238,919.04 = 65,682.24/x
  3. Step 3: Cross multiply
    159,279.36x = 238,919.04 × 65,682.24
  4. Step 4: Simplify right side
    159,279.36x = 15,692,737,725.85
  5. Step 5: Solve for x
    x = 15,692,737,725.85/159,279.36
  6. Step 6: Final answer
    x = 98,523.36

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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.