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Finding the Fourth Proportional to 173,109.93, 259,694.06 and 79,613.25

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Solution

The fourth proportional to 173,109.93, 259,694.06 and 79,613.25 is: 119,433.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,109.93 : 259,694.06 = 79,613.25 : x
  2. Step 2: Convert to fraction form
    173,109.93/259,694.06 = 79,613.25/x
  3. Step 3: Cross multiply
    173,109.93x = 259,694.06 × 79,613.25
  4. Step 4: Simplify right side
    173,109.93x = 20,675,087,724.23
  5. Step 5: Solve for x
    x = 20,675,087,724.23/173,109.93
  6. Step 6: Final answer
    x = 119,433.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.