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Finding the Fourth Proportional to 201,681.20, 302,550.60 and 68,567.60

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Solution

The fourth proportional to 201,681.20, 302,550.60 and 68,567.60 is: 102,861.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,681.20 : 302,550.60 = 68,567.60 : x
  2. Step 2: Convert to fraction form
    201,681.20/302,550.60 = 68,567.60/x
  3. Step 3: Cross multiply
    201,681.20x = 302,550.60 × 68,567.60
  4. Step 4: Simplify right side
    201,681.20x = 20,745,168,520.56
  5. Step 5: Solve for x
    x = 20,745,168,520.56/201,681.20
  6. Step 6: Final answer
    x = 102,861.19

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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.