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Finding the Fourth Proportional to 173,234.80, 259,860.30 and 54,915.40

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Solution

The fourth proportional to 173,234.80, 259,860.30 and 54,915.40 is: 82,375.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,234.80 : 259,860.30 = 54,915.40 : x
  2. Step 2: Convert to fraction form
    173,234.80/259,860.30 = 54,915.40/x
  3. Step 3: Cross multiply
    173,234.80x = 259,860.30 × 54,915.40
  4. Step 4: Simplify right side
    173,234.80x = 14,270,332,318.62
  5. Step 5: Solve for x
    x = 14,270,332,318.62/173,234.80
  6. Step 6: Final answer
    x = 82,375.67

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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.