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Finding the Fourth Proportional to 179,358.72, 247,059.36 and 136,843.44

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Solution

The fourth proportional to 179,358.72, 247,059.36 and 136,843.44 is: 188,496.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,358.72 : 247,059.36 = 136,843.44 : x
  2. Step 2: Convert to fraction form
    179,358.72/247,059.36 = 136,843.44/x
  3. Step 3: Cross multiply
    179,358.72x = 247,059.36 × 136,843.44
  4. Step 4: Simplify right side
    179,358.72x = 33,808,452,706.60
  5. Step 5: Solve for x
    x = 33,808,452,706.60/179,358.72
  6. Step 6: Final answer
    x = 188,496.29

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1.5x scale

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.