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Finding the Fourth Proportional to 66,794.36, 100,188.54 and 22,417.88

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Solution

The fourth proportional to 66,794.36, 100,188.54 and 22,417.88 is: 33,625.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,794.36 : 100,188.54 = 22,417.88 : x
  2. Step 2: Convert to fraction form
    66,794.36/100,188.54 = 22,417.88/x
  3. Step 3: Cross multiply
    66,794.36x = 100,188.54 × 22,417.88
  4. Step 4: Simplify right side
    66,794.36x = 2,246,014,667.10
  5. Step 5: Solve for x
    x = 2,246,014,667.10/66,794.36
  6. Step 6: Final answer
    x = 33,625.81

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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.