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Finding the Fourth Proportional to 241,169.28, 332,969.76 and 155,166.72

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Solution

The fourth proportional to 241,169.28, 332,969.76 and 155,166.72 is: 214,230.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,169.28 : 332,969.76 = 155,166.72 : x
  2. Step 2: Convert to fraction form
    241,169.28/332,969.76 = 155,166.72/x
  3. Step 3: Cross multiply
    241,169.28x = 332,969.76 × 155,166.72
  4. Step 4: Simplify right side
    241,169.28x = 51,665,825,518.39
  5. Step 5: Solve for x
    x = 51,665,825,518.39/241,169.28
  6. Step 6: Final answer
    x = 214,230.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.