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Finding the Fourth Proportional to 133,682.10, 200,195.10 and 89,067.30

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Solution

The fourth proportional to 133,682.10, 200,195.10 and 89,067.30 is: 133,382.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,682.10 : 200,195.10 = 89,067.30 : x
  2. Step 2: Convert to fraction form
    133,682.10/200,195.10 = 89,067.30/x
  3. Step 3: Cross multiply
    133,682.10x = 200,195.10 × 89,067.30
  4. Step 4: Simplify right side
    133,682.10x = 17,830,837,030.23
  5. Step 5: Solve for x
    x = 17,830,837,030.23/133,682.10
  6. Step 6: Final answer
    x = 133,382.38

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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.