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Finding the Fourth Proportional to 207,167.43, 310,660.58 and 104,521.64

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Solution

The fourth proportional to 207,167.43, 310,660.58 and 104,521.64 is: 156,736.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,167.43 : 310,660.58 = 104,521.64 : x
  2. Step 2: Convert to fraction form
    207,167.43/310,660.58 = 104,521.64/x
  3. Step 3: Cross multiply
    207,167.43x = 310,660.58 × 104,521.64
  4. Step 4: Simplify right side
    207,167.43x = 32,470,752,012.95
  5. Step 5: Solve for x
    x = 32,470,752,012.95/207,167.43
  6. Step 6: Final answer
    x = 156,736.76

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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.