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Finding the Fourth Proportional to 164,651.23, 227,229.20 and 100,980.37

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Solution

The fourth proportional to 164,651.23, 227,229.20 and 100,980.37 is: 139,359.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,651.23 : 227,229.20 = 100,980.37 : x
  2. Step 2: Convert to fraction form
    164,651.23/227,229.20 = 100,980.37/x
  3. Step 3: Cross multiply
    164,651.23x = 227,229.20 × 100,980.37
  4. Step 4: Simplify right side
    164,651.23x = 22,945,688,690.80
  5. Step 5: Solve for x
    x = 22,945,688,690.80/164,651.23
  6. Step 6: Final answer
    x = 139,359.35

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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.