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Finding the Fourth Proportional to 123,168.22, 184,392.48 and 111,349.30

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Solution

The fourth proportional to 123,168.22, 184,392.48 and 111,349.30 is: 166,698.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,168.22 : 184,392.48 = 111,349.30 : x
  2. Step 2: Convert to fraction form
    123,168.22/184,392.48 = 111,349.30/x
  3. Step 3: Cross multiply
    123,168.22x = 184,392.48 × 111,349.30
  4. Step 4: Simplify right side
    123,168.22x = 20,531,973,573.26
  5. Step 5: Solve for x
    x = 20,531,973,573.26/123,168.22
  6. Step 6: Final answer
    x = 166,698.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.