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Finding the Fourth Proportional to 183,464.97, 253,079.15 and 115,456.56

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Solution

The fourth proportional to 183,464.97, 253,079.15 and 115,456.56 is: 159,265.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,464.97 : 253,079.15 = 115,456.56 : x
  2. Step 2: Convert to fraction form
    183,464.97/253,079.15 = 115,456.56/x
  3. Step 3: Cross multiply
    183,464.97x = 253,079.15 × 115,456.56
  4. Step 4: Simplify right side
    183,464.97x = 29,219,647,489.44
  5. Step 5: Solve for x
    x = 29,219,647,489.44/183,464.97
  6. Step 6: Final answer
    x = 159,265.54

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1.5x scale

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.