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Finding the Fourth Proportional to 222,806.70, 334,538.10 and 172,943.10

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Solution

The fourth proportional to 222,806.70, 334,538.10 and 172,943.10 is: 259,669.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,806.70 : 334,538.10 = 172,943.10 : x
  2. Step 2: Convert to fraction form
    222,806.70/334,538.10 = 172,943.10/x
  3. Step 3: Cross multiply
    222,806.70x = 334,538.10 × 172,943.10
  4. Step 4: Simplify right side
    222,806.70x = 57,856,056,082.11
  5. Step 5: Solve for x
    x = 57,856,056,082.11/222,806.70
  6. Step 6: Final answer
    x = 259,669.28

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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.