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Finding the Fourth Proportional to 228,309.21, 342,408.42 and 95,116.80

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Solution

The fourth proportional to 228,309.21, 342,408.42 and 95,116.80 is: 142,652.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,309.21 : 342,408.42 = 95,116.80 : x
  2. Step 2: Convert to fraction form
    228,309.21/342,408.42 = 95,116.80/x
  3. Step 3: Cross multiply
    228,309.21x = 342,408.42 × 95,116.80
  4. Step 4: Simplify right side
    228,309.21x = 32,568,793,203.46
  5. Step 5: Solve for x
    x = 32,568,793,203.46/228,309.21
  6. Step 6: Final answer
    x = 142,652.12

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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.