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Finding the Fourth Proportional to 100,935.92, 151,433.48 and 29,860.44

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Solution

The fourth proportional to 100,935.92, 151,433.48 and 29,860.44 is: 44,799.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,935.92 : 151,433.48 = 29,860.44 : x
  2. Step 2: Convert to fraction form
    100,935.92/151,433.48 = 29,860.44/x
  3. Step 3: Cross multiply
    100,935.92x = 151,433.48 × 29,860.44
  4. Step 4: Simplify right side
    100,935.92x = 4,521,870,343.53
  5. Step 5: Solve for x
    x = 4,521,870,343.53/100,935.92
  6. Step 6: Final answer
    x = 44,799.42

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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.