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Finding the Fourth Proportional to 167,172.84, 250,823.25 and 100,660.50

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Solution

The fourth proportional to 167,172.84, 250,823.25 and 100,660.50 is: 151,029.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,172.84 : 250,823.25 = 100,660.50 : x
  2. Step 2: Convert to fraction form
    167,172.84/250,823.25 = 100,660.50/x
  3. Step 3: Cross multiply
    167,172.84x = 250,823.25 × 100,660.50
  4. Step 4: Simplify right side
    167,172.84x = 25,247,993,756.63
  5. Step 5: Solve for x
    x = 25,247,993,756.63/167,172.84
  6. Step 6: Final answer
    x = 151,029.28

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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.