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Finding the Fourth Proportional to 221,494.83, 332,246.96 and 79,349.36

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Solution

The fourth proportional to 221,494.83, 332,246.96 and 79,349.36 is: 119,025.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,494.83 : 332,246.96 = 79,349.36 : x
  2. Step 2: Convert to fraction form
    221,494.83/332,246.96 = 79,349.36/x
  3. Step 3: Cross multiply
    221,494.83x = 332,246.96 × 79,349.36
  4. Step 4: Simplify right side
    221,494.83x = 26,363,581,579.96
  5. Step 5: Solve for x
    x = 26,363,581,579.96/221,494.83
  6. Step 6: Final answer
    x = 119,025.72

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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.