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Finding the Fourth Proportional to 201,999.35, 303,068.23 and 68,973.03

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Solution

The fourth proportional to 201,999.35, 303,068.23 and 68,973.03 is: 103,483.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,999.35 : 303,068.23 = 68,973.03 : x
  2. Step 2: Convert to fraction form
    201,999.35/303,068.23 = 68,973.03/x
  3. Step 3: Cross multiply
    201,999.35x = 303,068.23 × 68,973.03
  4. Step 4: Simplify right side
    201,999.35x = 20,903,533,584.41
  5. Step 5: Solve for x
    x = 20,903,533,584.41/201,999.35
  6. Step 6: Final answer
    x = 103,483.17

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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.