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Finding the Fourth Proportional to 174,735.69, 262,060.20 and 74,884.56

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Solution

The fourth proportional to 174,735.69, 262,060.20 and 74,884.56 is: 112,308.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,735.69 : 262,060.20 = 74,884.56 : x
  2. Step 2: Convert to fraction form
    174,735.69/262,060.20 = 74,884.56/x
  3. Step 3: Cross multiply
    174,735.69x = 262,060.20 × 74,884.56
  4. Step 4: Simplify right side
    174,735.69x = 19,624,262,770.51
  5. Step 5: Solve for x
    x = 19,624,262,770.51/174,735.69
  6. Step 6: Final answer
    x = 112,308.27

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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.