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Finding the Fourth Proportional to 169,270.84, 254,071.50 and 80,585.56

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Solution

The fourth proportional to 169,270.84, 254,071.50 and 80,585.56 is: 120,957.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,270.84 : 254,071.50 = 80,585.56 : x
  2. Step 2: Convert to fraction form
    169,270.84/254,071.50 = 80,585.56/x
  3. Step 3: Cross multiply
    169,270.84x = 254,071.50 × 80,585.56
  4. Step 4: Simplify right side
    169,270.84x = 20,474,494,107.54
  5. Step 5: Solve for x
    x = 20,474,494,107.54/169,270.84
  6. Step 6: Final answer
    x = 120,957.01

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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.