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Finding the Fourth Proportional to 173,921.21, 260,998.73 and 61,601.03

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Solution

The fourth proportional to 173,921.21, 260,998.73 and 61,601.03 is: 92,442.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,921.21 : 260,998.73 = 61,601.03 : x
  2. Step 2: Convert to fraction form
    173,921.21/260,998.73 = 61,601.03/x
  3. Step 3: Cross multiply
    173,921.21x = 260,998.73 × 61,601.03
  4. Step 4: Simplify right side
    173,921.21x = 16,077,790,288.69
  5. Step 5: Solve for x
    x = 16,077,790,288.69/173,921.21
  6. Step 6: Final answer
    x = 92,442.95

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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.