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Finding the Fourth Proportional to 252,168.96, 378,252.24 and 74,676.96

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Solution

The fourth proportional to 252,168.96, 378,252.24 and 74,676.96 is: 112,015.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,168.96 : 378,252.24 = 74,676.96 : x
  2. Step 2: Convert to fraction form
    252,168.96/378,252.24 = 74,676.96/x
  3. Step 3: Cross multiply
    252,168.96x = 378,252.24 × 74,676.96
  4. Step 4: Simplify right side
    252,168.96x = 28,246,727,396.39
  5. Step 5: Solve for x
    x = 28,246,727,396.39/252,168.96
  6. Step 6: Final answer
    x = 112,015.08

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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.