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Finding the Fourth Proportional to 106,958.58, 160,207.19 and 100,670.41

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Solution

The fourth proportional to 106,958.58, 160,207.19 and 100,670.41 is: 150,788.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,958.58 : 160,207.19 = 100,670.41 : x
  2. Step 2: Convert to fraction form
    106,958.58/160,207.19 = 100,670.41/x
  3. Step 3: Cross multiply
    106,958.58x = 160,207.19 × 100,670.41
  4. Step 4: Simplify right side
    106,958.58x = 16,128,123,879.76
  5. Step 5: Solve for x
    x = 16,128,123,879.76/106,958.58
  6. Step 6: Final answer
    x = 150,788.51

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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.