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Finding the Fourth Proportional to 245,695.11, 368,371.67 and 108,843.89

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Solution

The fourth proportional to 245,695.11, 368,371.67 and 108,843.89 is: 163,190.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,695.11 : 368,371.67 = 108,843.89 : x
  2. Step 2: Convert to fraction form
    245,695.11/368,371.67 = 108,843.89/x
  3. Step 3: Cross multiply
    245,695.11x = 368,371.67 × 108,843.89
  4. Step 4: Simplify right side
    245,695.11x = 40,095,003,142.52
  5. Step 5: Solve for x
    x = 40,095,003,142.52/245,695.11
  6. Step 6: Final answer
    x = 163,190.07

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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.