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Finding the Fourth Proportional to 111,104, 166,673.38 and 36,206.76

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Solution

The fourth proportional to 111,104, 166,673.38 and 36,206.76 is: 54,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,104 : 166,673.38 = 36,206.76 : x
  2. Step 2: Convert to fraction form
    111,104/166,673.38 = 36,206.76/x
  3. Step 3: Cross multiply
    111,104x = 166,673.38 × 36,206.76
  4. Step 4: Simplify right side
    111,104x = 6,034,703,068.05
  5. Step 5: Solve for x
    x = 6,034,703,068.05/111,104
  6. Step 6: Final answer
    x = 54,315.80

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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.