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Finding the Fourth Proportional to 117,771.88, 162,525.06 and 67,471.08

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Solution

The fourth proportional to 117,771.88, 162,525.06 and 67,471.08 is: 93,110.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,771.88 : 162,525.06 = 67,471.08 : x
  2. Step 2: Convert to fraction form
    117,771.88/162,525.06 = 67,471.08/x
  3. Step 3: Cross multiply
    117,771.88x = 162,525.06 × 67,471.08
  4. Step 4: Simplify right side
    117,771.88x = 10,965,741,325.26
  5. Step 5: Solve for x
    x = 10,965,741,325.26/117,771.88
  6. Step 6: Final answer
    x = 93,110.01

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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.