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Finding the Fourth Proportional to 173,117.93, 259,520.15 and 67,908.65

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Solution

The fourth proportional to 173,117.93, 259,520.15 and 67,908.65 is: 101,801.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,117.93 : 259,520.15 = 67,908.65 : x
  2. Step 2: Convert to fraction form
    173,117.93/259,520.15 = 67,908.65/x
  3. Step 3: Cross multiply
    173,117.93x = 259,520.15 × 67,908.65
  4. Step 4: Simplify right side
    173,117.93x = 17,623,661,906.47
  5. Step 5: Solve for x
    x = 17,623,661,906.47/173,117.93
  6. Step 6: Final answer
    x = 101,801.49

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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.