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Finding the Fourth Proportional to 201,770.10, 302,567.59 and 68,614.60

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Solution

The fourth proportional to 201,770.10, 302,567.59 and 68,614.60 is: 102,892.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,770.10 : 302,567.59 = 68,614.60 : x
  2. Step 2: Convert to fraction form
    201,770.10/302,567.59 = 68,614.60/x
  3. Step 3: Cross multiply
    201,770.10x = 302,567.59 × 68,614.60
  4. Step 4: Simplify right side
    201,770.10x = 20,760,554,160.81
  5. Step 5: Solve for x
    x = 20,760,554,160.81/201,770.10
  6. Step 6: Final answer
    x = 102,892.12

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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.