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Finding the Fourth Proportional to 202,678.33, 279,723.87 and 116,635.54

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Solution

The fourth proportional to 202,678.33, 279,723.87 and 116,635.54 is: 160,973.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,678.33 : 279,723.87 = 116,635.54 : x
  2. Step 2: Convert to fraction form
    202,678.33/279,723.87 = 116,635.54/x
  3. Step 3: Cross multiply
    202,678.33x = 279,723.87 × 116,635.54
  4. Step 4: Simplify right side
    202,678.33x = 32,625,744,628.34
  5. Step 5: Solve for x
    x = 32,625,744,628.34/202,678.33
  6. Step 6: Final answer
    x = 160,973.03

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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.