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Finding the Fourth Proportional to 351,377.75, 527,081.21 and 102,059.75

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Solution

The fourth proportional to 351,377.75, 527,081.21 and 102,059.75 is: 153,093.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,377.75 : 527,081.21 = 102,059.75 : x
  2. Step 2: Convert to fraction form
    351,377.75/527,081.21 = 102,059.75/x
  3. Step 3: Cross multiply
    351,377.75x = 527,081.21 × 102,059.75
  4. Step 4: Simplify right side
    351,377.75x = 53,793,776,522.30
  5. Step 5: Solve for x
    x = 53,793,776,522.30/351,377.75
  6. Step 6: Final answer
    x = 153,093.86

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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.