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Finding the Fourth Proportional to 192,642.80, 265,952.04 and 116,175.56

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Solution

The fourth proportional to 192,642.80, 265,952.04 and 116,175.56 is: 160,385.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,642.80 : 265,952.04 = 116,175.56 : x
  2. Step 2: Convert to fraction form
    192,642.80/265,952.04 = 116,175.56/x
  3. Step 3: Cross multiply
    192,642.80x = 265,952.04 × 116,175.56
  4. Step 4: Simplify right side
    192,642.80x = 30,897,127,180.14
  5. Step 5: Solve for x
    x = 30,897,127,180.14/192,642.80
  6. Step 6: Final answer
    x = 160,385.58

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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.