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Finding the Fourth Proportional to 111,101, 166,668.88 and 36,203.76

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Solution

The fourth proportional to 111,101, 166,668.88 and 36,203.76 is: 54,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,101 : 166,668.88 = 36,203.76 : x
  2. Step 2: Convert to fraction form
    111,101/166,668.88 = 36,203.76/x
  3. Step 3: Cross multiply
    111,101x = 166,668.88 × 36,203.76
  4. Step 4: Simplify right side
    111,101x = 6,034,040,130.99
  5. Step 5: Solve for x
    x = 6,034,040,130.99/111,101
  6. Step 6: Final answer
    x = 54,311.30

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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.