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Finding the Fourth Proportional to 133,362.56, 183,744.96 and 87,960.44

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Solution

The fourth proportional to 133,362.56, 183,744.96 and 87,960.44 is: 121,190.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,362.56 : 183,744.96 = 87,960.44 : x
  2. Step 2: Convert to fraction form
    133,362.56/183,744.96 = 87,960.44/x
  3. Step 3: Cross multiply
    133,362.56x = 183,744.96 × 87,960.44
  4. Step 4: Simplify right side
    133,362.56x = 16,162,287,529.38
  5. Step 5: Solve for x
    x = 16,162,287,529.38/133,362.56
  6. Step 6: Final answer
    x = 121,190.59

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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.