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Finding the Fourth Proportional to 226,489.53, 339,996.74 and 121,513.53

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Solution

The fourth proportional to 226,489.53, 339,996.74 and 121,513.53 is: 182,411.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,489.53 : 339,996.74 = 121,513.53 : x
  2. Step 2: Convert to fraction form
    226,489.53/339,996.74 = 121,513.53/x
  3. Step 3: Cross multiply
    226,489.53x = 339,996.74 × 121,513.53
  4. Step 4: Simplify right side
    226,489.53x = 41,314,203,458.32
  5. Step 5: Solve for x
    x = 41,314,203,458.32/226,489.53
  6. Step 6: Final answer
    x = 182,411.10

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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.