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Finding the Fourth Proportional to 219,910.60, 330,027.90 and 148,665.16

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Solution

The fourth proportional to 219,910.60, 330,027.90 and 148,665.16 is: 223,107.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,910.60 : 330,027.90 = 148,665.16 : x
  2. Step 2: Convert to fraction form
    219,910.60/330,027.90 = 148,665.16/x
  3. Step 3: Cross multiply
    219,910.60x = 330,027.90 × 148,665.16
  4. Step 4: Simplify right side
    219,910.60x = 49,063,650,557.96
  5. Step 5: Solve for x
    x = 49,063,650,557.96/219,910.60
  6. Step 6: Final answer
    x = 223,107.26

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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.