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Finding the Fourth Proportional to 199,249.99, 274,963.23 and 108,605.95

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Solution

The fourth proportional to 199,249.99, 274,963.23 and 108,605.95 is: 149,875.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,249.99 : 274,963.23 = 108,605.95 : x
  2. Step 2: Convert to fraction form
    199,249.99/274,963.23 = 108,605.95/x
  3. Step 3: Cross multiply
    199,249.99x = 274,963.23 × 108,605.95
  4. Step 4: Simplify right side
    199,249.99x = 29,862,642,809.22
  5. Step 5: Solve for x
    x = 29,862,642,809.22/199,249.99
  6. Step 6: Final answer
    x = 149,875.25

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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.