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Finding the Fourth Proportional to 161,337.81, 222,553.67 and 133,958.91

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Solution

The fourth proportional to 161,337.81, 222,553.67 and 133,958.91 is: 184,786.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,337.81 : 222,553.67 = 133,958.91 : x
  2. Step 2: Convert to fraction form
    161,337.81/222,553.67 = 133,958.91/x
  3. Step 3: Cross multiply
    161,337.81x = 222,553.67 × 133,958.91
  4. Step 4: Simplify right side
    161,337.81x = 29,813,046,379.91
  5. Step 5: Solve for x
    x = 29,813,046,379.91/161,337.81
  6. Step 6: Final answer
    x = 184,786.48

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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.