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Finding the Fourth Proportional to 106,536.44, 159,763.11 and 39,940.22

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Solution

The fourth proportional to 106,536.44, 159,763.11 and 39,940.22 is: 59,894.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,536.44 : 159,763.11 = 39,940.22 : x
  2. Step 2: Convert to fraction form
    106,536.44/159,763.11 = 39,940.22/x
  3. Step 3: Cross multiply
    106,536.44x = 159,763.11 × 39,940.22
  4. Step 4: Simplify right side
    106,536.44x = 6,380,972,962.47
  5. Step 5: Solve for x
    x = 6,380,972,962.47/106,536.44
  6. Step 6: Final answer
    x = 59,894.75

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1.5x scale

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.