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Finding the Fourth Proportional to 111,665.37, 167,462.06 and 36,767.67

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Solution

The fourth proportional to 111,665.37, 167,462.06 and 36,767.67 is: 55,139.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,665.37 : 167,462.06 = 36,767.67 : x
  2. Step 2: Convert to fraction form
    111,665.37/167,462.06 = 36,767.67/x
  3. Step 3: Cross multiply
    111,665.37x = 167,462.06 × 36,767.67
  4. Step 4: Simplify right side
    111,665.37x = 6,157,189,575.76
  5. Step 5: Solve for x
    x = 6,157,189,575.76/111,665.37
  6. Step 6: Final answer
    x = 55,139.65

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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.