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Finding the Fourth Proportional to 173,857.30, 239,687.49 and 148,634.59

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Solution

The fourth proportional to 173,857.30, 239,687.49 and 148,634.59 is: 204,914.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,857.30 : 239,687.49 = 148,634.59 : x
  2. Step 2: Convert to fraction form
    173,857.30/239,687.49 = 148,634.59/x
  3. Step 3: Cross multiply
    173,857.30x = 239,687.49 × 148,634.59
  4. Step 4: Simplify right side
    173,857.30x = 35,625,851,804.28
  5. Step 5: Solve for x
    x = 35,625,851,804.28/173,857.30
  6. Step 6: Final answer
    x = 204,914.33

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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.