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Finding the Fourth Proportional to 169,544.96, 254,409.60 and 71,118.08

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Solution

The fourth proportional to 169,544.96, 254,409.60 and 71,118.08 is: 106,715.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,544.96 : 254,409.60 = 71,118.08 : x
  2. Step 2: Convert to fraction form
    169,544.96/254,409.60 = 71,118.08/x
  3. Step 3: Cross multiply
    169,544.96x = 254,409.60 × 71,118.08
  4. Step 4: Simplify right side
    169,544.96x = 18,093,122,285.57
  5. Step 5: Solve for x
    x = 18,093,122,285.57/169,544.96
  6. Step 6: Final answer
    x = 106,715.78

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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.