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Finding the Fourth Proportional to 323,103.88, 445,872.90 and 179,859.16

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Solution

The fourth proportional to 323,103.88, 445,872.90 and 179,859.16 is: 248,199.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,103.88 : 445,872.90 = 179,859.16 : x
  2. Step 2: Convert to fraction form
    323,103.88/445,872.90 = 179,859.16/x
  3. Step 3: Cross multiply
    323,103.88x = 445,872.90 × 179,859.16
  4. Step 4: Simplify right side
    323,103.88x = 80,194,325,260.76
  5. Step 5: Solve for x
    x = 80,194,325,260.76/323,103.88
  6. Step 6: Final answer
    x = 248,199.82

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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.