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Finding the Fourth Proportional to 173,717.60, 260,673.60 and 73,860.80

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Solution

The fourth proportional to 173,717.60, 260,673.60 and 73,860.80 is: 110,832.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,717.60 : 260,673.60 = 73,860.80 : x
  2. Step 2: Convert to fraction form
    173,717.60/260,673.60 = 73,860.80/x
  3. Step 3: Cross multiply
    173,717.60x = 260,673.60 × 73,860.80
  4. Step 4: Simplify right side
    173,717.60x = 19,253,560,634.88
  5. Step 5: Solve for x
    x = 19,253,560,634.88/173,717.60
  6. Step 6: Final answer
    x = 110,832.53

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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.