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Finding the Fourth Proportional to 80,149.95, 110,608.70 and 44,342.51

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Solution

The fourth proportional to 80,149.95, 110,608.70 and 44,342.51 is: 61,193.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,149.95 : 110,608.70 = 44,342.51 : x
  2. Step 2: Convert to fraction form
    80,149.95/110,608.70 = 44,342.51/x
  3. Step 3: Cross multiply
    80,149.95x = 110,608.70 × 44,342.51
  4. Step 4: Simplify right side
    80,149.95x = 4,904,666,611.08
  5. Step 5: Solve for x
    x = 4,904,666,611.08/80,149.95
  6. Step 6: Final answer
    x = 61,193.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.