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Finding the Fourth Proportional to 183,676.20, 274,988.70 and 113,080.20

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Solution

The fourth proportional to 183,676.20, 274,988.70 and 113,080.20 is: 169,296.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,676.20 : 274,988.70 = 113,080.20 : x
  2. Step 2: Convert to fraction form
    183,676.20/274,988.70 = 113,080.20/x
  3. Step 3: Cross multiply
    183,676.20x = 274,988.70 × 113,080.20
  4. Step 4: Simplify right side
    183,676.20x = 31,095,777,193.74
  5. Step 5: Solve for x
    x = 31,095,777,193.74/183,676.20
  6. Step 6: Final answer
    x = 169,296.71

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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.