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Finding the Fourth Proportional to 122,365.27, 168,861.47 and 67,914.26

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Solution

The fourth proportional to 122,365.27, 168,861.47 and 67,914.26 is: 93,720.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,365.27 : 168,861.47 = 67,914.26 : x
  2. Step 2: Convert to fraction form
    122,365.27/168,861.47 = 67,914.26/x
  3. Step 3: Cross multiply
    122,365.27x = 168,861.47 × 67,914.26
  4. Step 4: Simplify right side
    122,365.27x = 11,468,101,777.56
  5. Step 5: Solve for x
    x = 11,468,101,777.56/122,365.27
  6. Step 6: Final answer
    x = 93,720.23

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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.