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Finding the Fourth Proportional to 195,658.80, 293,488.20 and 133,450.80

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Solution

The fourth proportional to 195,658.80, 293,488.20 and 133,450.80 is: 200,176.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,658.80 : 293,488.20 = 133,450.80 : x
  2. Step 2: Convert to fraction form
    195,658.80/293,488.20 = 133,450.80/x
  3. Step 3: Cross multiply
    195,658.80x = 293,488.20 × 133,450.80
  4. Step 4: Simplify right side
    195,658.80x = 39,166,235,080.56
  5. Step 5: Solve for x
    x = 39,166,235,080.56/195,658.80
  6. Step 6: Final answer
    x = 200,176.20

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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.