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Finding the Fourth Proportional to 227,279.95, 340,921.64 and 100,886.22

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Solution

The fourth proportional to 227,279.95, 340,921.64 and 100,886.22 is: 151,330.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,279.95 : 340,921.64 = 100,886.22 : x
  2. Step 2: Convert to fraction form
    227,279.95/340,921.64 = 100,886.22/x
  3. Step 3: Cross multiply
    227,279.95x = 340,921.64 × 100,886.22
  4. Step 4: Simplify right side
    227,279.95x = 34,394,295,544.27
  5. Step 5: Solve for x
    x = 34,394,295,544.27/227,279.95
  6. Step 6: Final answer
    x = 151,330.09

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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.