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Finding the Fourth Proportional to 192,589.68, 265,690.17 and 116,065.29

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Solution

The fourth proportional to 192,589.68, 265,690.17 and 116,065.29 is: 160,119.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,589.68 : 265,690.17 = 116,065.29 : x
  2. Step 2: Convert to fraction form
    192,589.68/265,690.17 = 116,065.29/x
  3. Step 3: Cross multiply
    192,589.68x = 265,690.17 × 116,065.29
  4. Step 4: Simplify right side
    192,589.68x = 30,837,406,631.20
  5. Step 5: Solve for x
    x = 30,837,406,631.20/192,589.68
  6. Step 6: Final answer
    x = 160,119.73

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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.