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Finding the Fourth Proportional to 133,083.40, 199,049.10 and 119,144.20

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Solution

The fourth proportional to 133,083.40, 199,049.10 and 119,144.20 is: 178,200.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,083.40 : 199,049.10 = 119,144.20 : x
  2. Step 2: Convert to fraction form
    133,083.40/199,049.10 = 119,144.20/x
  3. Step 3: Cross multiply
    133,083.40x = 199,049.10 × 119,144.20
  4. Step 4: Simplify right side
    133,083.40x = 23,715,545,780.22
  5. Step 5: Solve for x
    x = 23,715,545,780.22/133,083.40
  6. Step 6: Final answer
    x = 178,200.63

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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.