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Finding the Fourth Proportional to 173,280.69, 259,855.43 and 68,042.25

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Solution

The fourth proportional to 173,280.69, 259,855.43 and 68,042.25 is: 102,037.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,280.69 : 259,855.43 = 68,042.25 : x
  2. Step 2: Convert to fraction form
    173,280.69/259,855.43 = 68,042.25/x
  3. Step 3: Cross multiply
    173,280.69x = 259,855.43 × 68,042.25
  4. Step 4: Simplify right side
    173,280.69x = 17,681,147,791.71
  5. Step 5: Solve for x
    x = 17,681,147,791.71/173,280.69
  6. Step 6: Final answer
    x = 102,037.61

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1.5x scale

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.