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Finding the Fourth Proportional to 123,958.82, 171,064.50 and 67,370.22

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Solution

The fourth proportional to 123,958.82, 171,064.50 and 67,370.22 is: 92,971.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,958.82 : 171,064.50 = 67,370.22 : x
  2. Step 2: Convert to fraction form
    123,958.82/171,064.50 = 67,370.22/x
  3. Step 3: Cross multiply
    123,958.82x = 171,064.50 × 67,370.22
  4. Step 4: Simplify right side
    123,958.82x = 11,524,652,999.19
  5. Step 5: Solve for x
    x = 11,524,652,999.19/123,958.82
  6. Step 6: Final answer
    x = 92,971.63

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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.