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Finding the Fourth Proportional to 173,687.76, 260,566.20 and 73,847.16

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Solution

The fourth proportional to 173,687.76, 260,566.20 and 73,847.16 is: 110,785.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,687.76 : 260,566.20 = 73,847.16 : x
  2. Step 2: Convert to fraction form
    173,687.76/260,566.20 = 73,847.16/x
  3. Step 3: Cross multiply
    173,687.76x = 260,566.20 × 73,847.16
  4. Step 4: Simplify right side
    173,687.76x = 19,242,073,861.99
  5. Step 5: Solve for x
    x = 19,242,073,861.99/173,687.76
  6. Step 6: Final answer
    x = 110,785.43

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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.