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Finding the Fourth Proportional to 199,250.51, 274,963.91 and 108,606.47

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Solution

The fourth proportional to 199,250.51, 274,963.91 and 108,606.47 is: 149,875.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,250.51 : 274,963.91 = 108,606.47 : x
  2. Step 2: Convert to fraction form
    199,250.51/274,963.91 = 108,606.47/x
  3. Step 3: Cross multiply
    199,250.51x = 274,963.91 × 108,606.47
  4. Step 4: Simplify right side
    199,250.51x = 29,862,857,724.65
  5. Step 5: Solve for x
    x = 29,862,857,724.65/199,250.51
  6. Step 6: Final answer
    x = 149,875.94

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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.