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Finding the Fourth Proportional to 169,971.73, 255,039.60 and 119,944.10

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Solution

The fourth proportional to 169,971.73, 255,039.60 and 119,944.10 is: 179,974.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,971.73 : 255,039.60 = 119,944.10 : x
  2. Step 2: Convert to fraction form
    169,971.73/255,039.60 = 119,944.10/x
  3. Step 3: Cross multiply
    169,971.73x = 255,039.60 × 119,944.10
  4. Step 4: Simplify right side
    169,971.73x = 30,590,495,286.36
  5. Step 5: Solve for x
    x = 30,590,495,286.36/169,971.73
  6. Step 6: Final answer
    x = 179,974.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.