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Finding the Fourth Proportional to 223,266.48, 334,906.20 and 98,617.20

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Solution

The fourth proportional to 223,266.48, 334,906.20 and 98,617.20 is: 147,928.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,266.48 : 334,906.20 = 98,617.20 : x
  2. Step 2: Convert to fraction form
    223,266.48/334,906.20 = 98,617.20/x
  3. Step 3: Cross multiply
    223,266.48x = 334,906.20 × 98,617.20
  4. Step 4: Simplify right side
    223,266.48x = 33,027,511,706.64
  5. Step 5: Solve for x
    x = 33,027,511,706.64/223,266.48
  6. Step 6: Final answer
    x = 147,928.66

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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.