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Finding the Fourth Proportional to 183,081.30, 275,719.07 and 161,134.62

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Solution

The fourth proportional to 183,081.30, 275,719.07 and 161,134.62 is: 242,667.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,081.30 : 275,719.07 = 161,134.62 : x
  2. Step 2: Convert to fraction form
    183,081.30/275,719.07 = 161,134.62/x
  3. Step 3: Cross multiply
    183,081.30x = 275,719.07 × 161,134.62
  4. Step 4: Simplify right side
    183,081.30x = 44,427,886,765.53
  5. Step 5: Solve for x
    x = 44,427,886,765.53/183,081.30
  6. Step 6: Final answer
    x = 242,667.53

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.