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Finding the Fourth Proportional to 123,958.04, 171,063.20 and 67,369.56

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Solution

The fourth proportional to 123,958.04, 171,063.20 and 67,369.56 is: 92,970.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,958.04 : 171,063.20 = 67,369.56 : x
  2. Step 2: Convert to fraction form
    123,958.04/171,063.20 = 67,369.56/x
  3. Step 3: Cross multiply
    123,958.04x = 171,063.20 × 67,369.56
  4. Step 4: Simplify right side
    123,958.04x = 11,524,452,516.19
  5. Step 5: Solve for x
    x = 11,524,452,516.19/123,958.04
  6. Step 6: Final answer
    x = 92,970.59

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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.