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Finding the Fourth Proportional to 228,201.10, 342,301.65 and 224,701.90

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Solution

The fourth proportional to 228,201.10, 342,301.65 and 224,701.90 is: 337,052.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,201.10 : 342,301.65 = 224,701.90 : x
  2. Step 2: Convert to fraction form
    228,201.10/342,301.65 = 224,701.90/x
  3. Step 3: Cross multiply
    228,201.10x = 342,301.65 × 224,701.90
  4. Step 4: Simplify right side
    228,201.10x = 76,915,831,128.14
  5. Step 5: Solve for x
    x = 76,915,831,128.14/228,201.10
  6. Step 6: Final answer
    x = 337,052.85

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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.