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Finding the Fourth Proportional to 110,866.16, 166,364.86 and 40,794.68

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Solution

The fourth proportional to 110,866.16, 166,364.86 and 40,794.68 is: 61,216.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,866.16 : 166,364.86 = 40,794.68 : x
  2. Step 2: Convert to fraction form
    110,866.16/166,364.86 = 40,794.68/x
  3. Step 3: Cross multiply
    110,866.16x = 166,364.86 × 40,794.68
  4. Step 4: Simplify right side
    110,866.16x = 6,786,801,226.94
  5. Step 5: Solve for x
    x = 6,786,801,226.94/110,866.16
  6. Step 6: Final answer
    x = 61,216.17

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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.