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Finding the Fourth Proportional to 222,939, 334,452.24 and 98,280

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Solution

The fourth proportional to 222,939, 334,452.24 and 98,280 is: 147,439.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,939 : 334,452.24 = 98,280 : x
  2. Step 2: Convert to fraction form
    222,939/334,452.24 = 98,280/x
  3. Step 3: Cross multiply
    222,939x = 334,452.24 × 98,280
  4. Step 4: Simplify right side
    222,939x = 32,869,966,147.20
  5. Step 5: Solve for x
    x = 32,869,966,147.20/222,939
  6. Step 6: Final answer
    x = 147,439.28

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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.