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Finding the Fourth Proportional to 568,576.06, 852,860.63 and 142,109.75

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Solution

The fourth proportional to 568,576.06, 852,860.63 and 142,109.75 is: 213,163.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,576.06 : 852,860.63 = 142,109.75 : x
  2. Step 2: Convert to fraction form
    568,576.06/852,860.63 = 142,109.75/x
  3. Step 3: Cross multiply
    568,576.06x = 852,860.63 × 142,109.75
  4. Step 4: Simplify right side
    568,576.06x = 121,199,813,401.57
  5. Step 5: Solve for x
    x = 121,199,813,401.57/568,576.06
  6. Step 6: Final answer
    x = 213,163.77

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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.