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Finding the Fourth Proportional to 167,371.87, 230,858.55 and 106,915.67

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Solution

The fourth proportional to 167,371.87, 230,858.55 and 106,915.67 is: 147,470.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,371.87 : 230,858.55 = 106,915.67 : x
  2. Step 2: Convert to fraction form
    167,371.87/230,858.55 = 106,915.67/x
  3. Step 3: Cross multiply
    167,371.87x = 230,858.55 × 106,915.67
  4. Step 4: Simplify right side
    167,371.87x = 24,682,396,548.48
  5. Step 5: Solve for x
    x = 24,682,396,548.48/167,371.87
  6. Step 6: Final answer
    x = 147,470.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.