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Finding the Fourth Proportional to 133,630.75, 184,410.44 and 74,014.75

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Solution

The fourth proportional to 133,630.75, 184,410.44 and 74,014.75 is: 102,140.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,630.75 : 184,410.44 = 74,014.75 : x
  2. Step 2: Convert to fraction form
    133,630.75/184,410.44 = 74,014.75/x
  3. Step 3: Cross multiply
    133,630.75x = 184,410.44 × 74,014.75
  4. Step 4: Simplify right side
    133,630.75x = 13,649,092,613.99
  5. Step 5: Solve for x
    x = 13,649,092,613.99/133,630.75
  6. Step 6: Final answer
    x = 102,140.36

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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.