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Finding the Fourth Proportional to 183,669.20, 274,978.20 and 113,073.20

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Solution

The fourth proportional to 183,669.20, 274,978.20 and 113,073.20 is: 169,286.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,669.20 : 274,978.20 = 113,073.20 : x
  2. Step 2: Convert to fraction form
    183,669.20/274,978.20 = 113,073.20/x
  3. Step 3: Cross multiply
    183,669.20x = 274,978.20 × 113,073.20
  4. Step 4: Simplify right side
    183,669.20x = 31,092,665,004.24
  5. Step 5: Solve for x
    x = 31,092,665,004.24/183,669.20
  6. Step 6: Final answer
    x = 169,286.22

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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.