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Finding the Fourth Proportional to 133,995.83, 200,917.19 and 55,045.13

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Solution

The fourth proportional to 133,995.83, 200,917.19 and 55,045.13 is: 82,536.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,995.83 : 200,917.19 = 55,045.13 : x
  2. Step 2: Convert to fraction form
    133,995.83/200,917.19 = 55,045.13/x
  3. Step 3: Cross multiply
    133,995.83x = 200,917.19 × 55,045.13
  4. Step 4: Simplify right side
    133,995.83x = 11,059,511,975.81
  5. Step 5: Solve for x
    x = 11,059,511,975.81/133,995.83
  6. Step 6: Final answer
    x = 82,536.24

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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.