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Finding the Fourth Proportional to 96,668.94, 133,404.05 and 54,228.38

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Solution

The fourth proportional to 96,668.94, 133,404.05 and 54,228.38 is: 74,835.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,668.94 : 133,404.05 = 54,228.38 : x
  2. Step 2: Convert to fraction form
    96,668.94/133,404.05 = 54,228.38/x
  3. Step 3: Cross multiply
    96,668.94x = 133,404.05 × 54,228.38
  4. Step 4: Simplify right side
    96,668.94x = 7,234,285,245.80
  5. Step 5: Solve for x
    x = 7,234,285,245.80/96,668.94
  6. Step 6: Final answer
    x = 74,835.67

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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.