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Finding the Fourth Proportional to 279,793.48, 419,814.06 and 146,641.84

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Solution

The fourth proportional to 279,793.48, 419,814.06 and 146,641.84 is: 220,027.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,793.48 : 419,814.06 = 146,641.84 : x
  2. Step 2: Convert to fraction form
    279,793.48/419,814.06 = 146,641.84/x
  3. Step 3: Cross multiply
    279,793.48x = 419,814.06 × 146,641.84
  4. Step 4: Simplify right side
    279,793.48x = 61,562,306,216.27
  5. Step 5: Solve for x
    x = 61,562,306,216.27/279,793.48
  6. Step 6: Final answer
    x = 220,027.67

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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.