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Finding the Fourth Proportional to 226,469.40, 340,092.90 and 147,931.80

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Solution

The fourth proportional to 226,469.40, 340,092.90 and 147,931.80 is: 222,151.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,469.40 : 340,092.90 = 147,931.80 : x
  2. Step 2: Convert to fraction form
    226,469.40/340,092.90 = 147,931.80/x
  3. Step 3: Cross multiply
    226,469.40x = 340,092.90 × 147,931.80
  4. Step 4: Simplify right side
    226,469.40x = 50,310,554,864.22
  5. Step 5: Solve for x
    x = 50,310,554,864.22/226,469.40
  6. Step 6: Final answer
    x = 222,151.67

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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.