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Finding the Fourth Proportional to 133,891.33, 200,828.72 and 55,003.51

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Solution

The fourth proportional to 133,891.33, 200,828.72 and 55,003.51 is: 82,501.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,891.33 : 200,828.72 = 55,003.51 : x
  2. Step 2: Convert to fraction form
    133,891.33/200,828.72 = 55,003.51/x
  3. Step 3: Cross multiply
    133,891.33x = 200,828.72 × 55,003.51
  4. Step 4: Simplify right side
    133,891.33x = 11,046,283,458.30
  5. Step 5: Solve for x
    x = 11,046,283,458.30/133,891.33
  6. Step 6: Final answer
    x = 82,501.86

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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.