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Finding the Fourth Proportional to 111,237.64, 166,855.06 and 26,998.50

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Solution

The fourth proportional to 111,237.64, 166,855.06 and 26,998.50 is: 40,497.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,237.64 : 166,855.06 = 26,998.50 : x
  2. Step 2: Convert to fraction form
    111,237.64/166,855.06 = 26,998.50/x
  3. Step 3: Cross multiply
    111,237.64x = 166,855.06 × 26,998.50
  4. Step 4: Simplify right side
    111,237.64x = 4,504,836,337.41
  5. Step 5: Solve for x
    x = 4,504,836,337.41/111,237.64
  6. Step 6: Final answer
    x = 40,497.41

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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.