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Finding the Fourth Proportional to 173,068.80, 259,719.30 and 60,748.80

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Solution

The fourth proportional to 173,068.80, 259,719.30 and 60,748.80 is: 91,163.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,068.80 : 259,719.30 = 60,748.80 : x
  2. Step 2: Convert to fraction form
    173,068.80/259,719.30 = 60,748.80/x
  3. Step 3: Cross multiply
    173,068.80x = 259,719.30 × 60,748.80
  4. Step 4: Simplify right side
    173,068.80x = 15,777,635,811.84
  5. Step 5: Solve for x
    x = 15,777,635,811.84/173,068.80
  6. Step 6: Final answer
    x = 91,163.95

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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.