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Finding the Fourth Proportional to 133,653.80, 200,531.90 and 131,554.60

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Solution

The fourth proportional to 133,653.80, 200,531.90 and 131,554.60 is: 197,382.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,653.80 : 200,531.90 = 131,554.60 : x
  2. Step 2: Convert to fraction form
    133,653.80/200,531.90 = 131,554.60/x
  3. Step 3: Cross multiply
    133,653.80x = 200,531.90 × 131,554.60
  4. Step 4: Simplify right side
    133,653.80x = 26,380,893,891.74
  5. Step 5: Solve for x
    x = 26,380,893,891.74/133,653.80
  6. Step 6: Final answer
    x = 197,382.30

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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.