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Finding the Fourth Proportional to 123,168.88, 184,393.45 and 111,349.96

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Solution

The fourth proportional to 123,168.88, 184,393.45 and 111,349.96 is: 166,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,168.88 : 184,393.45 = 111,349.96 : x
  2. Step 2: Convert to fraction form
    123,168.88/184,393.45 = 111,349.96/x
  3. Step 3: Cross multiply
    123,168.88x = 184,393.45 × 111,349.96
  4. Step 4: Simplify right side
    123,168.88x = 20,532,203,281.76
  5. Step 5: Solve for x
    x = 20,532,203,281.76/123,168.88
  6. Step 6: Final answer
    x = 166,699.60

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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.