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Finding the Fourth Proportional to 220,100.70, 329,859.45 and 195,023.10

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Solution

The fourth proportional to 220,100.70, 329,859.45 and 195,023.10 is: 292,276.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,100.70 : 329,859.45 = 195,023.10 : x
  2. Step 2: Convert to fraction form
    220,100.70/329,859.45 = 195,023.10/x
  3. Step 3: Cross multiply
    220,100.70x = 329,859.45 × 195,023.10
  4. Step 4: Simplify right side
    220,100.70x = 64,330,212,503.30
  5. Step 5: Solve for x
    x = 64,330,212,503.30/220,100.70
  6. Step 6: Final answer
    x = 292,276.27

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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.