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Finding the Fourth Proportional to 351,267.65, 526,902.83 and 85,027.73

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Solution

The fourth proportional to 351,267.65, 526,902.83 and 85,027.73 is: 127,541.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,267.65 : 526,902.83 = 85,027.73 : x
  2. Step 2: Convert to fraction form
    351,267.65/526,902.83 = 85,027.73/x
  3. Step 3: Cross multiply
    351,267.65x = 526,902.83 × 85,027.73
  4. Step 4: Simplify right side
    351,267.65x = 44,801,348,505.82
  5. Step 5: Solve for x
    x = 44,801,348,505.82/351,267.65
  6. Step 6: Final answer
    x = 127,541.92

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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.