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Finding the Fourth Proportional to 170,050.20, 255,067.20 and 57,719.40

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Solution

The fourth proportional to 170,050.20, 255,067.20 and 57,719.40 is: 86,576.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,050.20 : 255,067.20 = 57,719.40 : x
  2. Step 2: Convert to fraction form
    170,050.20/255,067.20 = 57,719.40/x
  3. Step 3: Cross multiply
    170,050.20x = 255,067.20 × 57,719.40
  4. Step 4: Simplify right side
    170,050.20x = 14,722,325,743.68
  5. Step 5: Solve for x
    x = 14,722,325,743.68/170,050.20
  6. Step 6: Final answer
    x = 86,576.35

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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.