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Finding the Fourth Proportional to 221,898.60, 332,847.90 and 169,410.60

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Solution

The fourth proportional to 221,898.60, 332,847.90 and 169,410.60 is: 254,115.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,898.60 : 332,847.90 = 169,410.60 : x
  2. Step 2: Convert to fraction form
    221,898.60/332,847.90 = 169,410.60/x
  3. Step 3: Cross multiply
    221,898.60x = 332,847.90 × 169,410.60
  4. Step 4: Simplify right side
    221,898.60x = 56,387,962,447.74
  5. Step 5: Solve for x
    x = 56,387,962,447.74/221,898.60
  6. Step 6: Final answer
    x = 254,115.90

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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.