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Finding the Fourth Proportional to 183,474.52, 253,087.30 and 115,383.49

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Solution

The fourth proportional to 183,474.52, 253,087.30 and 115,383.49 is: 159,161.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,474.52 : 253,087.30 = 115,383.49 : x
  2. Step 2: Convert to fraction form
    183,474.52/253,087.30 = 115,383.49/x
  3. Step 3: Cross multiply
    183,474.52x = 253,087.30 × 115,383.49
  4. Step 4: Simplify right side
    183,474.52x = 29,202,095,948.68
  5. Step 5: Solve for x
    x = 29,202,095,948.68/183,474.52
  6. Step 6: Final answer
    x = 159,161.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.