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Finding the Fourth Proportional to 167,121.63, 250,694.06 and 67,281.64

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Solution

The fourth proportional to 167,121.63, 250,694.06 and 67,281.64 is: 100,927.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,121.63 : 250,694.06 = 67,281.64 : x
  2. Step 2: Convert to fraction form
    167,121.63/250,694.06 = 67,281.64/x
  3. Step 3: Cross multiply
    167,121.63x = 250,694.06 × 67,281.64
  4. Step 4: Simplify right side
    167,121.63x = 16,867,106,531.92
  5. Step 5: Solve for x
    x = 16,867,106,531.92/167,121.63
  6. Step 6: Final answer
    x = 100,927.13

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1.5x scale

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.