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Finding the Fourth Proportional to 89,133.90, 133,668.45 and 44,745.90

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Solution

The fourth proportional to 89,133.90, 133,668.45 and 44,745.90 is: 67,102.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,133.90 : 133,668.45 = 44,745.90 : x
  2. Step 2: Convert to fraction form
    89,133.90/133,668.45 = 44,745.90/x
  3. Step 3: Cross multiply
    89,133.90x = 133,668.45 × 44,745.90
  4. Step 4: Simplify right side
    89,133.90x = 5,981,115,096.86
  5. Step 5: Solve for x
    x = 5,981,115,096.86/89,133.90
  6. Step 6: Final answer
    x = 67,102.58

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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.