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Finding the Fourth Proportional to 167,139.54, 250,706.70 and 67,297.14

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Solution

The fourth proportional to 167,139.54, 250,706.70 and 67,297.14 is: 100,944.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,139.54 : 250,706.70 = 67,297.14 : x
  2. Step 2: Convert to fraction form
    167,139.54/250,706.70 = 67,297.14/x
  3. Step 3: Cross multiply
    167,139.54x = 250,706.70 × 67,297.14
  4. Step 4: Simplify right side
    167,139.54x = 16,871,843,888.84
  5. Step 5: Solve for x
    x = 16,871,843,888.84/167,139.54
  6. Step 6: Final answer
    x = 100,944.66

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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.