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Finding the Fourth Proportional to 262,003.36, 392,676.42 and 112,067.62

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Solution

The fourth proportional to 262,003.36, 392,676.42 and 112,067.62 is: 167,960.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,003.36 : 392,676.42 = 112,067.62 : x
  2. Step 2: Convert to fraction form
    262,003.36/392,676.42 = 112,067.62/x
  3. Step 3: Cross multiply
    262,003.36x = 392,676.42 × 112,067.62
  4. Step 4: Simplify right side
    262,003.36x = 44,006,311,819.52
  5. Step 5: Solve for x
    x = 44,006,311,819.52/262,003.36
  6. Step 6: Final answer
    x = 167,960.87

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1.5x scale

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.