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Finding the Fourth Proportional to 116,367.51, 160,605.41 and 68,626.11

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Solution

The fourth proportional to 116,367.51, 160,605.41 and 68,626.11 is: 94,714.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,367.51 : 160,605.41 = 68,626.11 : x
  2. Step 2: Convert to fraction form
    116,367.51/160,605.41 = 68,626.11/x
  3. Step 3: Cross multiply
    116,367.51x = 160,605.41 × 68,626.11
  4. Step 4: Simplify right side
    116,367.51x = 11,021,724,190.12
  5. Step 5: Solve for x
    x = 11,021,724,190.12/116,367.51
  6. Step 6: Final answer
    x = 94,714.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.