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Finding the Fourth Proportional to 226,627.60, 339,973.80 and 76,874.80

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Solution

The fourth proportional to 226,627.60, 339,973.80 and 76,874.80 is: 115,323.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,627.60 : 339,973.80 = 76,874.80 : x
  2. Step 2: Convert to fraction form
    226,627.60/339,973.80 = 76,874.80/x
  3. Step 3: Cross multiply
    226,627.60x = 339,973.80 × 76,874.80
  4. Step 4: Simplify right side
    226,627.60x = 26,135,417,880.24
  5. Step 5: Solve for x
    x = 26,135,417,880.24/226,627.60
  6. Step 6: Final answer
    x = 115,323.19

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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.