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Finding the Fourth Proportional to 201,673.55, 302,555.88 and 66,737.27

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Solution

The fourth proportional to 201,673.55, 302,555.88 and 66,737.27 is: 100,120.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,673.55 : 302,555.88 = 66,737.27 : x
  2. Step 2: Convert to fraction form
    201,673.55/302,555.88 = 66,737.27/x
  3. Step 3: Cross multiply
    201,673.55x = 302,555.88 × 66,737.27
  4. Step 4: Simplify right side
    201,673.55x = 20,191,751,940.87
  5. Step 5: Solve for x
    x = 20,191,751,940.87/201,673.55
  6. Step 6: Final answer
    x = 100,120.97

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1.5x scale

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.