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Finding the Fourth Proportional to 117,486.44, 162,131.40 and 63,771.44

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Solution

The fourth proportional to 117,486.44, 162,131.40 and 63,771.44 is: 88,004.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,486.44 : 162,131.40 = 63,771.44 : x
  2. Step 2: Convert to fraction form
    117,486.44/162,131.40 = 63,771.44/x
  3. Step 3: Cross multiply
    117,486.44x = 162,131.40 × 63,771.44
  4. Step 4: Simplify right side
    117,486.44x = 10,339,352,847.22
  5. Step 5: Solve for x
    x = 10,339,352,847.22/117,486.44
  6. Step 6: Final answer
    x = 88,004.65

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1.5x scale

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.