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Finding the Fourth Proportional to 228,991.22, 343,487.71 and 95,778.03

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Solution

The fourth proportional to 228,991.22, 343,487.71 and 95,778.03 is: 143,667.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,991.22 : 343,487.71 = 95,778.03 : x
  2. Step 2: Convert to fraction form
    228,991.22/343,487.71 = 95,778.03/x
  3. Step 3: Cross multiply
    228,991.22x = 343,487.71 × 95,778.03
  4. Step 4: Simplify right side
    228,991.22x = 32,898,575,953.57
  5. Step 5: Solve for x
    x = 32,898,575,953.57/228,991.22
  6. Step 6: Final answer
    x = 143,667.42

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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.