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Finding the Fourth Proportional to 192,625.49, 265,758.47 and 111,987.16

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Solution

The fourth proportional to 192,625.49, 265,758.47 and 111,987.16 is: 154,504.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,625.49 : 265,758.47 = 111,987.16 : x
  2. Step 2: Convert to fraction form
    192,625.49/265,758.47 = 111,987.16/x
  3. Step 3: Cross multiply
    192,625.49x = 265,758.47 × 111,987.16
  4. Step 4: Simplify right side
    192,625.49x = 29,761,535,496.87
  5. Step 5: Solve for x
    x = 29,761,535,496.87/192,625.49
  6. Step 6: Final answer
    x = 154,504.66

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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.