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Finding the Fourth Proportional to 226,425.60, 339,627.60 and 76,651.20

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Solution

The fourth proportional to 226,425.60, 339,627.60 and 76,651.20 is: 114,973.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,425.60 : 339,627.60 = 76,651.20 : x
  2. Step 2: Convert to fraction form
    226,425.60/339,627.60 = 76,651.20/x
  3. Step 3: Cross multiply
    226,425.60x = 339,627.60 × 76,651.20
  4. Step 4: Simplify right side
    226,425.60x = 26,032,863,093.12
  5. Step 5: Solve for x
    x = 26,032,863,093.12/226,425.60
  6. Step 6: Final answer
    x = 114,973.14

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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.