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Finding the Fourth Proportional to 252,027.69, 378,473.01 and 168,325.71

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Solution

The fourth proportional to 252,027.69, 378,473.01 and 168,325.71 is: 252,776.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,027.69 : 378,473.01 = 168,325.71 : x
  2. Step 2: Convert to fraction form
    252,027.69/378,473.01 = 168,325.71/x
  3. Step 3: Cross multiply
    252,027.69x = 378,473.01 × 168,325.71
  4. Step 4: Simplify right side
    252,027.69x = 63,706,738,124.09
  5. Step 5: Solve for x
    x = 63,706,738,124.09/252,027.69
  6. Step 6: Final answer
    x = 252,776.74

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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.