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Finding the Fourth Proportional to 201,407.80, 301,766.10 and 95,999.80

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Solution

The fourth proportional to 201,407.80, 301,766.10 and 95,999.80 is: 143,834.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,407.80 : 301,766.10 = 95,999.80 : x
  2. Step 2: Convert to fraction form
    201,407.80/301,766.10 = 95,999.80/x
  3. Step 3: Cross multiply
    201,407.80x = 301,766.10 × 95,999.80
  4. Step 4: Simplify right side
    201,407.80x = 28,969,485,246.78
  5. Step 5: Solve for x
    x = 28,969,485,246.78/201,407.80
  6. Step 6: Final answer
    x = 143,834.97

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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.