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Finding the Fourth Proportional to 227,667.21, 314,181.21 and 125,692.87

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Solution

The fourth proportional to 227,667.21, 314,181.21 and 125,692.87 is: 173,456.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,667.21 : 314,181.21 = 125,692.87 : x
  2. Step 2: Convert to fraction form
    227,667.21/314,181.21 = 125,692.87/x
  3. Step 3: Cross multiply
    227,667.21x = 314,181.21 × 125,692.87
  4. Step 4: Simplify right side
    227,667.21x = 39,490,337,984.97
  5. Step 5: Solve for x
    x = 39,490,337,984.97/227,667.21
  6. Step 6: Final answer
    x = 173,456.41

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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.