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Finding the Fourth Proportional to 111,546.65, 167,322.76 and 36,663.77

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Solution

The fourth proportional to 111,546.65, 167,322.76 and 36,663.77 is: 54,996.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,546.65 : 167,322.76 = 36,663.77 : x
  2. Step 2: Convert to fraction form
    111,546.65/167,322.76 = 36,663.77/x
  3. Step 3: Cross multiply
    111,546.65x = 167,322.76 × 36,663.77
  4. Step 4: Simplify right side
    111,546.65x = 6,134,683,515.05
  5. Step 5: Solve for x
    x = 6,134,683,515.05/111,546.65
  6. Step 6: Final answer
    x = 54,996.57

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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.