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Finding the Fourth Proportional to 100,993.01, 151,442.95 and 29,890.22

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Solution

The fourth proportional to 100,993.01, 151,442.95 and 29,890.22 is: 44,821.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,993.01 : 151,442.95 = 29,890.22 : x
  2. Step 2: Convert to fraction form
    100,993.01/151,442.95 = 29,890.22/x
  3. Step 3: Cross multiply
    100,993.01x = 151,442.95 × 29,890.22
  4. Step 4: Simplify right side
    100,993.01x = 4,526,663,092.95
  5. Step 5: Solve for x
    x = 4,526,663,092.95/100,993.01
  6. Step 6: Final answer
    x = 44,821.55

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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.