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Finding the Fourth Proportional to 111,804.30, 167,743.37 and 45,208.11

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Solution

The fourth proportional to 111,804.30, 167,743.37 and 45,208.11 is: 67,827.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,804.30 : 167,743.37 = 45,208.11 : x
  2. Step 2: Convert to fraction form
    111,804.30/167,743.37 = 45,208.11/x
  3. Step 3: Cross multiply
    111,804.30x = 167,743.37 × 45,208.11
  4. Step 4: Simplify right side
    111,804.30x = 7,583,360,722.73
  5. Step 5: Solve for x
    x = 7,583,360,722.73/111,804.30
  6. Step 6: Final answer
    x = 67,827.09

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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.