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Finding the Fourth Proportional to 131,885.69, 182,000.81 and 71,452.73

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Solution

The fourth proportional to 131,885.69, 182,000.81 and 71,452.73 is: 98,603.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,885.69 : 182,000.81 = 71,452.73 : x
  2. Step 2: Convert to fraction form
    131,885.69/182,000.81 = 71,452.73/x
  3. Step 3: Cross multiply
    131,885.69x = 182,000.81 × 71,452.73
  4. Step 4: Simplify right side
    131,885.69x = 13,004,453,469.44
  5. Step 5: Solve for x
    x = 13,004,453,469.44/131,885.69
  6. Step 6: Final answer
    x = 98,603.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.