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Finding the Fourth Proportional to 207,194.66, 285,953.92 and 116,554.44

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Solution

The fourth proportional to 207,194.66, 285,953.92 and 116,554.44 is: 160,859.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,194.66 : 285,953.92 = 116,554.44 : x
  2. Step 2: Convert to fraction form
    207,194.66/285,953.92 = 116,554.44/x
  3. Step 3: Cross multiply
    207,194.66x = 285,953.92 × 116,554.44
  4. Step 4: Simplify right side
    207,194.66x = 33,329,198,720.02
  5. Step 5: Solve for x
    x = 33,329,198,720.02/207,194.66
  6. Step 6: Final answer
    x = 160,859.36

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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.