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Finding the Fourth Proportional to 133,608.84, 184,380.29 and 73,179.47

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Solution

The fourth proportional to 133,608.84, 184,380.29 and 73,179.47 is: 100,987.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,608.84 : 184,380.29 = 73,179.47 : x
  2. Step 2: Convert to fraction form
    133,608.84/184,380.29 = 73,179.47/x
  3. Step 3: Cross multiply
    133,608.84x = 184,380.29 × 73,179.47
  4. Step 4: Simplify right side
    133,608.84x = 13,492,850,612.85
  5. Step 5: Solve for x
    x = 13,492,850,612.85/133,608.84
  6. Step 6: Final answer
    x = 100,987.71

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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.