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Finding the Fourth Proportional to 179,612.64, 247,805.28 and 115,993.44

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Solution

The fourth proportional to 179,612.64, 247,805.28 and 115,993.44 is: 160,032.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,612.64 : 247,805.28 = 115,993.44 : x
  2. Step 2: Convert to fraction form
    179,612.64/247,805.28 = 115,993.44/x
  3. Step 3: Cross multiply
    179,612.64x = 247,805.28 × 115,993.44
  4. Step 4: Simplify right side
    179,612.64x = 28,743,786,877.36
  5. Step 5: Solve for x
    x = 28,743,786,877.36/179,612.64
  6. Step 6: Final answer
    x = 160,032.09

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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.