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Finding the Fourth Proportional to 73,143.54, 109,719.10 and 23,227.54

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Solution

The fourth proportional to 73,143.54, 109,719.10 and 23,227.54 is: 34,842.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,143.54 : 109,719.10 = 23,227.54 : x
  2. Step 2: Convert to fraction form
    73,143.54/109,719.10 = 23,227.54/x
  3. Step 3: Cross multiply
    73,143.54x = 109,719.10 × 23,227.54
  4. Step 4: Simplify right side
    73,143.54x = 2,548,504,784.01
  5. Step 5: Solve for x
    x = 2,548,504,784.01/73,143.54
  6. Step 6: Final answer
    x = 34,842.51

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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.