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Finding the Fourth Proportional to 173,889.76, 260,786.44 and 61,555.18

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Solution

The fourth proportional to 173,889.76, 260,786.44 and 61,555.18 is: 92,315.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,889.76 : 260,786.44 = 61,555.18 : x
  2. Step 2: Convert to fraction form
    173,889.76/260,786.44 = 61,555.18/x
  3. Step 3: Cross multiply
    173,889.76x = 260,786.44 × 61,555.18
  4. Step 4: Simplify right side
    173,889.76x = 16,052,756,255.76
  5. Step 5: Solve for x
    x = 16,052,756,255.76/173,889.76
  6. Step 6: Final answer
    x = 92,315.71

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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.