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Finding the Fourth Proportional to 111,027, 166,501.74 and 36,133.20

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Solution

The fourth proportional to 111,027, 166,501.74 and 36,133.20 is: 54,187.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,027 : 166,501.74 = 36,133.20 : x
  2. Step 2: Convert to fraction form
    111,027/166,501.74 = 36,133.20/x
  3. Step 3: Cross multiply
    111,027x = 166,501.74 × 36,133.20
  4. Step 4: Simplify right side
    111,027x = 6,016,240,671.77
  5. Step 5: Solve for x
    x = 6,016,240,671.77/111,027
  6. Step 6: Final answer
    x = 54,187.19

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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.