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Finding the Fourth Proportional to 201,244.70, 301,881.03 and 68,079.94

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Solution

The fourth proportional to 201,244.70, 301,881.03 and 68,079.94 is: 102,124.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,244.70 : 301,881.03 = 68,079.94 : x
  2. Step 2: Convert to fraction form
    201,244.70/301,881.03 = 68,079.94/x
  3. Step 3: Cross multiply
    201,244.70x = 301,881.03 × 68,079.94
  4. Step 4: Simplify right side
    201,244.70x = 20,552,043,097.62
  5. Step 5: Solve for x
    x = 20,552,043,097.62/201,244.70
  6. Step 6: Final answer
    x = 102,124.64

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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.