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Finding the Fourth Proportional to 183,091.25, 274,676.09 and 56,728.70

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Solution

The fourth proportional to 183,091.25, 274,676.09 and 56,728.70 is: 85,105.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,091.25 : 274,676.09 = 56,728.70 : x
  2. Step 2: Convert to fraction form
    183,091.25/274,676.09 = 56,728.70/x
  3. Step 3: Cross multiply
    183,091.25x = 274,676.09 × 56,728.70
  4. Step 4: Simplify right side
    183,091.25x = 15,582,015,849.76
  5. Step 5: Solve for x
    x = 15,582,015,849.76/183,091.25
  6. Step 6: Final answer
    x = 85,105.19

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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.