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Finding the Fourth Proportional to 74,556.68, 111,662.22 and 44,909.72

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Solution

The fourth proportional to 74,556.68, 111,662.22 and 44,909.72 is: 67,260.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,556.68 : 111,662.22 = 44,909.72 : x
  2. Step 2: Convert to fraction form
    74,556.68/111,662.22 = 44,909.72/x
  3. Step 3: Cross multiply
    74,556.68x = 111,662.22 × 44,909.72
  4. Step 4: Simplify right side
    74,556.68x = 5,014,719,034.78
  5. Step 5: Solve for x
    x = 5,014,719,034.78/74,556.68
  6. Step 6: Final answer
    x = 67,260.49

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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.