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Finding the Fourth Proportional to 227,889.38, 314,493.69 and 125,921.44

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Solution

The fourth proportional to 227,889.38, 314,493.69 and 125,921.44 is: 173,775.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,889.38 : 314,493.69 = 125,921.44 : x
  2. Step 2: Convert to fraction form
    227,889.38/314,493.69 = 125,921.44/x
  3. Step 3: Cross multiply
    227,889.38x = 314,493.69 × 125,921.44
  4. Step 4: Simplify right side
    227,889.38x = 39,601,498,118.57
  5. Step 5: Solve for x
    x = 39,601,498,118.57/227,889.38
  6. Step 6: Final answer
    x = 173,775.10

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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.