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Finding the Fourth Proportional to 100,599.30, 150,919.20 and 29,521.80

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Solution

The fourth proportional to 100,599.30, 150,919.20 and 29,521.80 is: 44,288.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,599.30 : 150,919.20 = 29,521.80 : x
  2. Step 2: Convert to fraction form
    100,599.30/150,919.20 = 29,521.80/x
  3. Step 3: Cross multiply
    100,599.30x = 150,919.20 × 29,521.80
  4. Step 4: Simplify right side
    100,599.30x = 4,455,406,438.56
  5. Step 5: Solve for x
    x = 4,455,406,438.56/100,599.30
  6. Step 6: Final answer
    x = 44,288.64

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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.