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Finding the Fourth Proportional to 79,755.76, 119,597.19 and 29,799.22

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Solution

The fourth proportional to 79,755.76, 119,597.19 and 29,799.22 is: 44,685.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,755.76 : 119,597.19 = 29,799.22 : x
  2. Step 2: Convert to fraction form
    79,755.76/119,597.19 = 29,799.22/x
  3. Step 3: Cross multiply
    79,755.76x = 119,597.19 × 29,799.22
  4. Step 4: Simplify right side
    79,755.76x = 3,563,902,976.19
  5. Step 5: Solve for x
    x = 3,563,902,976.19/79,755.76
  6. Step 6: Final answer
    x = 44,685.21

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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.