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Finding the Fourth Proportional to 111,218, 166,834.28 and 44,649.36

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Solution

The fourth proportional to 111,218, 166,834.28 and 44,649.36 is: 66,976.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,218 : 166,834.28 = 44,649.36 : x
  2. Step 2: Convert to fraction form
    111,218/166,834.28 = 44,649.36/x
  3. Step 3: Cross multiply
    111,218x = 166,834.28 × 44,649.36
  4. Step 4: Simplify right side
    111,218x = 7,449,043,828.06
  5. Step 5: Solve for x
    x = 7,449,043,828.06/111,218
  6. Step 6: Final answer
    x = 66,976.96

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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.