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Finding the Fourth Proportional to 226,508.40, 312,627.60 and 131,025.60

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Solution

The fourth proportional to 226,508.40, 312,627.60 and 131,025.60 is: 180,841.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,508.40 : 312,627.60 = 131,025.60 : x
  2. Step 2: Convert to fraction form
    226,508.40/312,627.60 = 131,025.60/x
  3. Step 3: Cross multiply
    226,508.40x = 312,627.60 × 131,025.60
  4. Step 4: Simplify right side
    226,508.40x = 40,962,218,866.56
  5. Step 5: Solve for x
    x = 40,962,218,866.56/226,508.40
  6. Step 6: Final answer
    x = 180,841.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.