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Finding the Fourth Proportional to 201,937.36, 302,942.06 and 67,009.54

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Solution

The fourth proportional to 201,937.36, 302,942.06 and 67,009.54 is: 100,526.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,937.36 : 302,942.06 = 67,009.54 : x
  2. Step 2: Convert to fraction form
    201,937.36/302,942.06 = 67,009.54/x
  3. Step 3: Cross multiply
    201,937.36x = 302,942.06 × 67,009.54
  4. Step 4: Simplify right side
    201,937.36x = 20,300,008,087.25
  5. Step 5: Solve for x
    x = 20,300,008,087.25/201,937.36
  6. Step 6: Final answer
    x = 100,526.26

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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.