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Finding the Fourth Proportional to 169,863.39, 254,796.21 and 49,919.91

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Solution

The fourth proportional to 169,863.39, 254,796.21 and 49,919.91 is: 74,880.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,863.39 : 254,796.21 = 49,919.91 : x
  2. Step 2: Convert to fraction form
    169,863.39/254,796.21 = 49,919.91/x
  3. Step 3: Cross multiply
    169,863.39x = 254,796.21 × 49,919.91
  4. Step 4: Simplify right side
    169,863.39x = 12,719,403,871.54
  5. Step 5: Solve for x
    x = 12,719,403,871.54/169,863.39
  6. Step 6: Final answer
    x = 74,880.20

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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.