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Finding the Fourth Proportional to 111,605.40, 167,537.70 and 110,827.80

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Solution

The fourth proportional to 111,605.40, 167,537.70 and 110,827.80 is: 166,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,605.40 : 167,537.70 = 110,827.80 : x
  2. Step 2: Convert to fraction form
    111,605.40/167,537.70 = 110,827.80/x
  3. Step 3: Cross multiply
    111,605.40x = 167,537.70 × 110,827.80
  4. Step 4: Simplify right side
    111,605.40x = 18,567,834,708.06
  5. Step 5: Solve for x
    x = 18,567,834,708.06/111,605.40
  6. Step 6: Final answer
    x = 166,370.40

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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.