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Finding the Fourth Proportional to 166,490.75, 249,736.37 and 67,994.75

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Solution

The fourth proportional to 166,490.75, 249,736.37 and 67,994.75 is: 101,992.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,490.75 : 249,736.37 = 67,994.75 : x
  2. Step 2: Convert to fraction form
    166,490.75/249,736.37 = 67,994.75/x
  3. Step 3: Cross multiply
    166,490.75x = 249,736.37 × 67,994.75
  4. Step 4: Simplify right side
    166,490.75x = 16,980,761,704.08
  5. Step 5: Solve for x
    x = 16,980,761,704.08/166,490.75
  6. Step 6: Final answer
    x = 101,992.22

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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.