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Finding the Fourth Proportional to 173,708.72, 260,365.44 and 73,806.56

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Solution

The fourth proportional to 173,708.72, 260,365.44 and 73,806.56 is: 110,625.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,708.72 : 260,365.44 = 73,806.56 : x
  2. Step 2: Convert to fraction form
    173,708.72/260,365.44 = 73,806.56/x
  3. Step 3: Cross multiply
    173,708.72x = 260,365.44 × 73,806.56
  4. Step 4: Simplify right side
    173,708.72x = 19,216,677,469.29
  5. Step 5: Solve for x
    x = 19,216,677,469.29/173,708.72
  6. Step 6: Final answer
    x = 110,625.87

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1.5x scale

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.