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Finding the Fourth Proportional to 173,791.17, 260,728.37 and 72,532.92

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Solution

The fourth proportional to 173,791.17, 260,728.37 and 72,532.92 is: 108,816.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,791.17 : 260,728.37 = 72,532.92 : x
  2. Step 2: Convert to fraction form
    173,791.17/260,728.37 = 72,532.92/x
  3. Step 3: Cross multiply
    173,791.17x = 260,728.37 × 72,532.92
  4. Step 4: Simplify right side
    173,791.17x = 18,911,390,002.94
  5. Step 5: Solve for x
    x = 18,911,390,002.94/173,791.17
  6. Step 6: Final answer
    x = 108,816.75

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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.