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Finding the Fourth Proportional to 252,504.81, 378,800.96 and 112,274.37

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Solution

The fourth proportional to 252,504.81, 378,800.96 and 112,274.37 is: 168,431.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,504.81 : 378,800.96 = 112,274.37 : x
  2. Step 2: Convert to fraction form
    252,504.81/378,800.96 = 112,274.37/x
  3. Step 3: Cross multiply
    252,504.81x = 378,800.96 × 112,274.37
  4. Step 4: Simplify right side
    252,504.81x = 42,529,638,578.02
  5. Step 5: Solve for x
    x = 42,529,638,578.02/252,504.81
  6. Step 6: Final answer
    x = 168,431.00

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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.