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Finding the Fourth Proportional to 351,096.72, 484,513.50 and 189,951.68

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Solution

The fourth proportional to 351,096.72, 484,513.50 and 189,951.68 is: 262,133.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,096.72 : 484,513.50 = 189,951.68 : x
  2. Step 2: Convert to fraction form
    351,096.72/484,513.50 = 189,951.68/x
  3. Step 3: Cross multiply
    351,096.72x = 484,513.50 × 189,951.68
  4. Step 4: Simplify right side
    351,096.72x = 92,034,150,885.11
  5. Step 5: Solve for x
    x = 92,034,150,885.11/351,096.72
  6. Step 6: Final answer
    x = 262,133.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.