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Finding the Fourth Proportional to 173,573.72, 260,362.74 and 55,244.60

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Solution

The fourth proportional to 173,573.72, 260,362.74 and 55,244.60 is: 82,867.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,573.72 : 260,362.74 = 55,244.60 : x
  2. Step 2: Convert to fraction form
    173,573.72/260,362.74 = 55,244.60/x
  3. Step 3: Cross multiply
    173,573.72x = 260,362.74 × 55,244.60
  4. Step 4: Simplify right side
    173,573.72x = 14,383,635,426.20
  5. Step 5: Solve for x
    x = 14,383,635,426.20/173,573.72
  6. Step 6: Final answer
    x = 82,867.59

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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.