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Finding the Fourth Proportional to 173,963.26, 260,995.47 and 72,809.04

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Solution

The fourth proportional to 173,963.26, 260,995.47 and 72,809.04 is: 109,234.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,963.26 : 260,995.47 = 72,809.04 : x
  2. Step 2: Convert to fraction form
    173,963.26/260,995.47 = 72,809.04/x
  3. Step 3: Cross multiply
    173,963.26x = 260,995.47 × 72,809.04
  4. Step 4: Simplify right side
    173,963.26x = 19,002,829,615.05
  5. Step 5: Solve for x
    x = 19,002,829,615.05/173,963.26
  6. Step 6: Final answer
    x = 109,234.73

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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.