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Finding the Fourth Proportional to 203,100.60, 280,190.58 and 122,483.33

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Solution

The fourth proportional to 203,100.60, 280,190.58 and 122,483.33 is: 168,973.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,100.60 : 280,190.58 = 122,483.33 : x
  2. Step 2: Convert to fraction form
    203,100.60/280,190.58 = 122,483.33/x
  3. Step 3: Cross multiply
    203,100.60x = 280,190.58 × 122,483.33
  4. Step 4: Simplify right side
    203,100.60x = 34,318,673,872.08
  5. Step 5: Solve for x
    x = 34,318,673,872.08/203,100.60
  6. Step 6: Final answer
    x = 168,973.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.