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Finding the Fourth Proportional to 111,159.88, 166,739.20 and 44,552.36

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Solution

The fourth proportional to 111,159.88, 166,739.20 and 44,552.36 is: 66,828.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,159.88 : 166,739.20 = 44,552.36 : x
  2. Step 2: Convert to fraction form
    111,159.88/166,739.20 = 44,552.36/x
  3. Step 3: Cross multiply
    111,159.88x = 166,739.20 × 44,552.36
  4. Step 4: Simplify right side
    111,159.88x = 7,428,624,864.51
  5. Step 5: Solve for x
    x = 7,428,624,864.51/111,159.88
  6. Step 6: Final answer
    x = 66,828.29

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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.