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Finding the Fourth Proportional to 228,786.90, 343,203.15 and 95,708.82

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Solution

The fourth proportional to 228,786.90, 343,203.15 and 95,708.82 is: 143,572.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,786.90 : 343,203.15 = 95,708.82 : x
  2. Step 2: Convert to fraction form
    228,786.90/343,203.15 = 95,708.82/x
  3. Step 3: Cross multiply
    228,786.90x = 343,203.15 × 95,708.82
  4. Step 4: Simplify right side
    228,786.90x = 32,847,568,506.78
  5. Step 5: Solve for x
    x = 32,847,568,506.78/228,786.90
  6. Step 6: Final answer
    x = 143,572.77

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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.