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Finding the Fourth Proportional to 111,147.16, 166,362.75 and 73,227.74

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Solution

The fourth proportional to 111,147.16, 166,362.75 and 73,227.74 is: 109,605.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,147.16 : 166,362.75 = 73,227.74 : x
  2. Step 2: Convert to fraction form
    111,147.16/166,362.75 = 73,227.74/x
  3. Step 3: Cross multiply
    111,147.16x = 166,362.75 × 73,227.74
  4. Step 4: Simplify right side
    111,147.16x = 12,182,368,202.69
  5. Step 5: Solve for x
    x = 12,182,368,202.69/111,147.16
  6. Step 6: Final answer
    x = 109,605.75

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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.