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Finding the Fourth Proportional to 111,261.66, 166,890.67 and 27,022.51

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Solution

The fourth proportional to 111,261.66, 166,890.67 and 27,022.51 is: 40,533.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,261.66 : 166,890.67 = 27,022.51 : x
  2. Step 2: Convert to fraction form
    111,261.66/166,890.67 = 27,022.51/x
  3. Step 3: Cross multiply
    111,261.66x = 166,890.67 × 27,022.51
  4. Step 4: Simplify right side
    111,261.66x = 4,509,804,663.87
  5. Step 5: Solve for x
    x = 4,509,804,663.87/111,261.66
  6. Step 6: Final answer
    x = 40,533.32

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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.