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Finding the Fourth Proportional to 100,992.01, 151,441.45 and 29,889.22

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Solution

The fourth proportional to 100,992.01, 151,441.45 and 29,889.22 is: 44,820.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,992.01 : 151,441.45 = 29,889.22 : x
  2. Step 2: Convert to fraction form
    100,992.01/151,441.45 = 29,889.22/x
  3. Step 3: Cross multiply
    100,992.01x = 151,441.45 × 29,889.22
  4. Step 4: Simplify right side
    100,992.01x = 4,526,466,853.53
  5. Step 5: Solve for x
    x = 4,526,466,853.53/100,992.01
  6. Step 6: Final answer
    x = 44,820.05

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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.