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Finding the Fourth Proportional to 166,817.88, 250,224.88 and 66,976.32

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Solution

The fourth proportional to 166,817.88, 250,224.88 and 66,976.32 is: 100,463.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,817.88 : 250,224.88 = 66,976.32 : x
  2. Step 2: Convert to fraction form
    166,817.88/250,224.88 = 66,976.32/x
  3. Step 3: Cross multiply
    166,817.88x = 250,224.88 × 66,976.32
  4. Step 4: Simplify right side
    166,817.88x = 16,759,141,406.37
  5. Step 5: Solve for x
    x = 16,759,141,406.37/166,817.88
  6. Step 6: Final answer
    x = 100,463.70

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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.