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Finding the Fourth Proportional to 222,487.30, 333,840.30 and 104,138.20

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Solution

The fourth proportional to 222,487.30, 333,840.30 and 104,138.20 is: 156,258.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,487.30 : 333,840.30 = 104,138.20 : x
  2. Step 2: Convert to fraction form
    222,487.30/333,840.30 = 104,138.20/x
  3. Step 3: Cross multiply
    222,487.30x = 333,840.30 × 104,138.20
  4. Step 4: Simplify right side
    222,487.30x = 34,765,527,929.46
  5. Step 5: Solve for x
    x = 34,765,527,929.46/222,487.30
  6. Step 6: Final answer
    x = 156,258.48

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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.