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Finding the Fourth Proportional to 169,474.40, 254,503.20 and 119,902.40

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Solution

The fourth proportional to 169,474.40, 254,503.20 and 119,902.40 is: 180,059.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,474.40 : 254,503.20 = 119,902.40 : x
  2. Step 2: Convert to fraction form
    169,474.40/254,503.20 = 119,902.40/x
  3. Step 3: Cross multiply
    169,474.40x = 254,503.20 × 119,902.40
  4. Step 4: Simplify right side
    169,474.40x = 30,515,544,487.68
  5. Step 5: Solve for x
    x = 30,515,544,487.68/169,474.40
  6. Step 6: Final answer
    x = 180,059.91

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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.