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Finding the Fourth Proportional to 201,160.44, 301,741.38 and 68,041.80

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Solution

The fourth proportional to 201,160.44, 301,741.38 and 68,041.80 is: 102,062.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,160.44 : 301,741.38 = 68,041.80 : x
  2. Step 2: Convert to fraction form
    201,160.44/301,741.38 = 68,041.80/x
  3. Step 3: Cross multiply
    201,160.44x = 301,741.38 × 68,041.80
  4. Step 4: Simplify right side
    201,160.44x = 20,531,026,629.68
  5. Step 5: Solve for x
    x = 20,531,026,629.68/201,160.44
  6. Step 6: Final answer
    x = 102,062.94

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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.