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Finding the Fourth Proportional to 133,609.52, 184,383.24 and 73,179.08

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Solution

The fourth proportional to 133,609.52, 184,383.24 and 73,179.08 is: 100,988.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,609.52 : 184,383.24 = 73,179.08 : x
  2. Step 2: Convert to fraction form
    133,609.52/184,383.24 = 73,179.08/x
  3. Step 3: Cross multiply
    133,609.52x = 184,383.24 × 73,179.08
  4. Step 4: Simplify right side
    133,609.52x = 13,492,995,870.62
  5. Step 5: Solve for x
    x = 13,492,995,870.62/133,609.52
  6. Step 6: Final answer
    x = 100,988.28

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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.