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Finding the Fourth Proportional to 182,889.60, 274,334.40 and 112,540.80

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Solution

The fourth proportional to 182,889.60, 274,334.40 and 112,540.80 is: 168,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,889.60 : 274,334.40 = 112,540.80 : x
  2. Step 2: Convert to fraction form
    182,889.60/274,334.40 = 112,540.80/x
  3. Step 3: Cross multiply
    182,889.60x = 274,334.40 × 112,540.80
  4. Step 4: Simplify right side
    182,889.60x = 30,873,812,843.52
  5. Step 5: Solve for x
    x = 30,873,812,843.52/182,889.60
  6. Step 6: Final answer
    x = 168,811.20

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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.