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Finding the Fourth Proportional to 133,549.98, 184,299 and 73,120.64

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Solution

The fourth proportional to 133,549.98, 184,299 and 73,120.64 is: 100,906.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,549.98 : 184,299 = 73,120.64 : x
  2. Step 2: Convert to fraction form
    133,549.98/184,299 = 73,120.64/x
  3. Step 3: Cross multiply
    133,549.98x = 184,299 × 73,120.64
  4. Step 4: Simplify right side
    133,549.98x = 13,476,059,909.87
  5. Step 5: Solve for x
    x = 13,476,059,909.87/133,549.98
  6. Step 6: Final answer
    x = 100,906.49

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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.