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Finding the Fourth Proportional to 111,027.30, 166,212.90 and 97,905.30

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Solution

The fourth proportional to 111,027.30, 166,212.90 and 97,905.30 is: 146,568.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,027.30 : 166,212.90 = 97,905.30 : x
  2. Step 2: Convert to fraction form
    111,027.30/166,212.90 = 97,905.30/x
  3. Step 3: Cross multiply
    111,027.30x = 166,212.90 × 97,905.30
  4. Step 4: Simplify right side
    111,027.30x = 16,273,123,838.37
  5. Step 5: Solve for x
    x = 16,273,123,838.37/111,027.30
  6. Step 6: Final answer
    x = 146,568.67

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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.