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Finding the Fourth Proportional to 170,179.73, 234,912.28 and 133,786.23

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Solution

The fourth proportional to 170,179.73, 234,912.28 and 133,786.23 is: 184,675.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,179.73 : 234,912.28 = 133,786.23 : x
  2. Step 2: Convert to fraction form
    170,179.73/234,912.28 = 133,786.23/x
  3. Step 3: Cross multiply
    170,179.73x = 234,912.28 × 133,786.23
  4. Step 4: Simplify right side
    170,179.73x = 31,428,028,302.47
  5. Step 5: Solve for x
    x = 31,428,028,302.47/170,179.73
  6. Step 6: Final answer
    x = 184,675.50

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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.