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Finding the Fourth Proportional to 169,791.63, 254,687.18 and 45,132.63

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Solution

The fourth proportional to 169,791.63, 254,687.18 and 45,132.63 is: 67,698.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,791.63 : 254,687.18 = 45,132.63 : x
  2. Step 2: Convert to fraction form
    169,791.63/254,687.18 = 45,132.63/x
  3. Step 3: Cross multiply
    169,791.63x = 254,687.18 × 45,132.63
  4. Step 4: Simplify right side
    169,791.63x = 11,494,702,035.02
  5. Step 5: Solve for x
    x = 11,494,702,035.02/169,791.63
  6. Step 6: Final answer
    x = 67,698.87

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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.