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Finding the Fourth Proportional to 111,010.95, 166,516.43 and 111,010.95

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Solution

The fourth proportional to 111,010.95, 166,516.43 and 111,010.95 is: 166,516.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,010.95 : 166,516.43 = 111,010.95 : x
  2. Step 2: Convert to fraction form
    111,010.95/166,516.43 = 111,010.95/x
  3. Step 3: Cross multiply
    111,010.95x = 166,516.43 × 111,010.95
  4. Step 4: Simplify right side
    111,010.95x = 18,485,146,529.85
  5. Step 5: Solve for x
    x = 18,485,146,529.85/111,010.95
  6. Step 6: Final answer
    x = 166,516.43

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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.