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Finding the Fourth Proportional to 164,660.99, 227,232.39 and 89,209.49

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Solution

The fourth proportional to 164,660.99, 227,232.39 and 89,209.49 is: 123,109.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,660.99 : 227,232.39 = 89,209.49 : x
  2. Step 2: Convert to fraction form
    164,660.99/227,232.39 = 89,209.49/x
  3. Step 3: Cross multiply
    164,660.99x = 227,232.39 × 89,209.49
  4. Step 4: Simplify right side
    164,660.99x = 20,271,285,623.38
  5. Step 5: Solve for x
    x = 20,271,285,623.38/164,660.99
  6. Step 6: Final answer
    x = 123,109.22

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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.