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Finding the Fourth Proportional to 187,694.66, 259,016.06 and 107,169.32

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Solution

The fourth proportional to 187,694.66, 259,016.06 and 107,169.32 is: 147,892.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,694.66 : 259,016.06 = 107,169.32 : x
  2. Step 2: Convert to fraction form
    187,694.66/259,016.06 = 107,169.32/x
  3. Step 3: Cross multiply
    187,694.66x = 259,016.06 × 107,169.32
  4. Step 4: Simplify right side
    187,694.66x = 27,758,575,019.28
  5. Step 5: Solve for x
    x = 27,758,575,019.28/187,694.66
  6. Step 6: Final answer
    x = 147,892.19

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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.