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Finding the Fourth Proportional to 152,279.64, 228,418.14 and 119,027.64

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Solution

The fourth proportional to 152,279.64, 228,418.14 and 119,027.64 is: 178,540.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,279.64 : 228,418.14 = 119,027.64 : x
  2. Step 2: Convert to fraction form
    152,279.64/228,418.14 = 119,027.64/x
  3. Step 3: Cross multiply
    152,279.64x = 228,418.14 × 119,027.64
  4. Step 4: Simplify right side
    152,279.64x = 27,188,072,137.39
  5. Step 5: Solve for x
    x = 27,188,072,137.39/152,279.64
  6. Step 6: Final answer
    x = 178,540.43

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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.