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Finding the Fourth Proportional to 150,898.60, 226,002.30 and 76,940.20

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Solution

The fourth proportional to 150,898.60, 226,002.30 and 76,940.20 is: 115,234.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,898.60 : 226,002.30 = 76,940.20 : x
  2. Step 2: Convert to fraction form
    150,898.60/226,002.30 = 76,940.20/x
  3. Step 3: Cross multiply
    150,898.60x = 226,002.30 × 76,940.20
  4. Step 4: Simplify right side
    150,898.60x = 17,388,662,162.46
  5. Step 5: Solve for x
    x = 17,388,662,162.46/150,898.60
  6. Step 6: Final answer
    x = 115,234.09

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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.