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Finding the Fourth Proportional to 201,106.68, 301,660.56 and 67,951.32

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Solution

The fourth proportional to 201,106.68, 301,660.56 and 67,951.32 is: 101,927.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,106.68 : 301,660.56 = 67,951.32 : x
  2. Step 2: Convert to fraction form
    201,106.68/301,660.56 = 67,951.32/x
  3. Step 3: Cross multiply
    201,106.68x = 301,660.56 × 67,951.32
  4. Step 4: Simplify right side
    201,106.68x = 20,498,233,243.94
  5. Step 5: Solve for x
    x = 20,498,233,243.94/201,106.68
  6. Step 6: Final answer
    x = 101,927.16

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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.