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Finding the Fourth Proportional to 100,981.96, 151,500.99 and 44,060.83

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Solution

The fourth proportional to 100,981.96, 151,500.99 and 44,060.83 is: 66,103.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,981.96 : 151,500.99 = 44,060.83 : x
  2. Step 2: Convert to fraction form
    100,981.96/151,500.99 = 44,060.83/x
  3. Step 3: Cross multiply
    100,981.96x = 151,500.99 × 44,060.83
  4. Step 4: Simplify right side
    100,981.96x = 6,675,259,365.22
  5. Step 5: Solve for x
    x = 6,675,259,365.22/100,981.96
  6. Step 6: Final answer
    x = 66,103.48

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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.