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Finding the Fourth Proportional to 222,828.92, 334,207.56 and 65,020.40

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Solution

The fourth proportional to 222,828.92, 334,207.56 and 65,020.40 is: 97,520.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,828.92 : 334,207.56 = 65,020.40 : x
  2. Step 2: Convert to fraction form
    222,828.92/334,207.56 = 65,020.40/x
  3. Step 3: Cross multiply
    222,828.92x = 334,207.56 × 65,020.40
  4. Step 4: Simplify right side
    222,828.92x = 21,730,309,234.22
  5. Step 5: Solve for x
    x = 21,730,309,234.22/222,828.92
  6. Step 6: Final answer
    x = 97,520.15

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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.