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Finding the Fourth Proportional to 173,140.80, 259,678.39 and 60,794.61

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Solution

The fourth proportional to 173,140.80, 259,678.39 and 60,794.61 is: 91,180.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,140.80 : 259,678.39 = 60,794.61 : x
  2. Step 2: Convert to fraction form
    173,140.80/259,678.39 = 60,794.61/x
  3. Step 3: Cross multiply
    173,140.80x = 259,678.39 × 60,794.61
  4. Step 4: Simplify right side
    173,140.80x = 15,787,046,445.48
  5. Step 5: Solve for x
    x = 15,787,046,445.48/173,140.80
  6. Step 6: Final answer
    x = 91,180.39

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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.