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Finding the Fourth Proportional to 117,334.12, 161,918.04 and 67,033.12

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Solution

The fourth proportional to 117,334.12, 161,918.04 and 67,033.12 is: 92,503.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,334.12 : 161,918.04 = 67,033.12 : x
  2. Step 2: Convert to fraction form
    117,334.12/161,918.04 = 67,033.12/x
  3. Step 3: Cross multiply
    117,334.12x = 161,918.04 × 67,033.12
  4. Step 4: Simplify right side
    117,334.12x = 10,853,871,405.48
  5. Step 5: Solve for x
    x = 10,853,871,405.48/117,334.12
  6. Step 6: Final answer
    x = 92,503.97

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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.