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Finding the Fourth Proportional to 183,644.20, 274,940.70 and 113,048.20

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Solution

The fourth proportional to 183,644.20, 274,940.70 and 113,048.20 is: 169,248.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,644.20 : 274,940.70 = 113,048.20 : x
  2. Step 2: Convert to fraction form
    183,644.20/274,940.70 = 113,048.20/x
  3. Step 3: Cross multiply
    183,644.20x = 274,940.70 × 113,048.20
  4. Step 4: Simplify right side
    183,644.20x = 31,081,551,241.74
  5. Step 5: Solve for x
    x = 31,081,551,241.74/183,644.20
  6. Step 6: Final answer
    x = 169,248.75

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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.