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Finding the Fourth Proportional to 226,570.57, 339,868.41 and 74,761.63

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Solution

The fourth proportional to 226,570.57, 339,868.41 and 74,761.63 is: 112,146.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,570.57 : 339,868.41 = 74,761.63 : x
  2. Step 2: Convert to fraction form
    226,570.57/339,868.41 = 74,761.63/x
  3. Step 3: Cross multiply
    226,570.57x = 339,868.41 × 74,761.63
  4. Step 4: Simplify right side
    226,570.57x = 25,409,116,317.11
  5. Step 5: Solve for x
    x = 25,409,116,317.11/226,570.57
  6. Step 6: Final answer
    x = 112,146.59

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1.5x scale

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.