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Finding the Fourth Proportional to 111,190.90, 166,784.85 and 26,951.79

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Solution

The fourth proportional to 111,190.90, 166,784.85 and 26,951.79 is: 40,427.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,190.90 : 166,784.85 = 26,951.79 : x
  2. Step 2: Convert to fraction form
    111,190.90/166,784.85 = 26,951.79/x
  3. Step 3: Cross multiply
    111,190.90x = 166,784.85 × 26,951.79
  4. Step 4: Simplify right side
    111,190.90x = 4,495,150,252.38
  5. Step 5: Solve for x
    x = 4,495,150,252.38/111,190.90
  6. Step 6: Final answer
    x = 40,427.32

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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.