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Finding the Fourth Proportional to 245,694.74, 368,371.10 and 108,843.51

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Solution

The fourth proportional to 245,694.74, 368,371.10 and 108,843.51 is: 163,189.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,694.74 : 368,371.10 = 108,843.51 : x
  2. Step 2: Convert to fraction form
    245,694.74/368,371.10 = 108,843.51/x
  3. Step 3: Cross multiply
    245,694.74x = 368,371.10 × 108,843.51
  4. Step 4: Simplify right side
    245,694.74x = 40,094,805,160.06
  5. Step 5: Solve for x
    x = 40,094,805,160.06/245,694.74
  6. Step 6: Final answer
    x = 163,189.52

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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.