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Finding the Fourth Proportional to 74,597.76, 111,922.56 and 33,073.92

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Solution

The fourth proportional to 74,597.76, 111,922.56 and 33,073.92 is: 49,622.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,597.76 : 111,922.56 = 33,073.92 : x
  2. Step 2: Convert to fraction form
    74,597.76/111,922.56 = 33,073.92/x
  3. Step 3: Cross multiply
    74,597.76x = 111,922.56 × 33,073.92
  4. Step 4: Simplify right side
    74,597.76x = 3,701,717,795.64
  5. Step 5: Solve for x
    x = 3,701,717,795.64/74,597.76
  6. Step 6: Final answer
    x = 49,622.37

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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.