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Finding the Fourth Proportional to 220,105.20, 329,866.20 and 195,027.60

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Solution

The fourth proportional to 220,105.20, 329,866.20 and 195,027.60 is: 292,283.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,105.20 : 329,866.20 = 195,027.60 : x
  2. Step 2: Convert to fraction form
    220,105.20/329,866.20 = 195,027.60/x
  3. Step 3: Cross multiply
    220,105.20x = 329,866.20 × 195,027.60
  4. Step 4: Simplify right side
    220,105.20x = 64,333,013,307.12
  5. Step 5: Solve for x
    x = 64,333,013,307.12/220,105.20
  6. Step 6: Final answer
    x = 292,283.02

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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.