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Finding the Fourth Proportional to 133,338.74, 200,008.29 and 54,452.96

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Solution

The fourth proportional to 133,338.74, 200,008.29 and 54,452.96 is: 81,679.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,338.74 : 200,008.29 = 54,452.96 : x
  2. Step 2: Convert to fraction form
    133,338.74/200,008.29 = 54,452.96/x
  3. Step 3: Cross multiply
    133,338.74x = 200,008.29 × 54,452.96
  4. Step 4: Simplify right side
    133,338.74x = 10,891,043,415.04
  5. Step 5: Solve for x
    x = 10,891,043,415.04/133,338.74
  6. Step 6: Final answer
    x = 81,679.52

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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.