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Finding the Fourth Proportional to 169,791.64, 254,687.18 and 45,132.64

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Solution

The fourth proportional to 169,791.64, 254,687.18 and 45,132.64 is: 67,698.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,791.64 : 254,687.18 = 45,132.64 : x
  2. Step 2: Convert to fraction form
    169,791.64/254,687.18 = 45,132.64/x
  3. Step 3: Cross multiply
    169,791.64x = 254,687.18 × 45,132.64
  4. Step 4: Simplify right side
    169,791.64x = 11,494,704,807.56
  5. Step 5: Solve for x
    x = 11,494,704,807.56/169,791.64
  6. Step 6: Final answer
    x = 67,698.89

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1.5x scale

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.