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Finding the Fourth Proportional to 117,469.91, 162,109.08 and 69,069.11

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Solution

The fourth proportional to 117,469.91, 162,109.08 and 69,069.11 is: 95,315.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,469.91 : 162,109.08 = 69,069.11 : x
  2. Step 2: Convert to fraction form
    117,469.91/162,109.08 = 69,069.11/x
  3. Step 3: Cross multiply
    117,469.91x = 162,109.08 × 69,069.11
  4. Step 4: Simplify right side
    117,469.91x = 11,196,729,067.97
  5. Step 5: Solve for x
    x = 11,196,729,067.97/117,469.91
  6. Step 6: Final answer
    x = 95,315.72

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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.