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Finding the Fourth Proportional to 252,716.64, 379,078.08 and 100,896.64

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Solution

The fourth proportional to 252,716.64, 379,078.08 and 100,896.64 is: 151,346.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,716.64 : 379,078.08 = 100,896.64 : x
  2. Step 2: Convert to fraction form
    252,716.64/379,078.08 = 100,896.64/x
  3. Step 3: Cross multiply
    252,716.64x = 379,078.08 × 100,896.64
  4. Step 4: Simplify right side
    252,716.64x = 38,247,704,569.65
  5. Step 5: Solve for x
    x = 38,247,704,569.65/252,716.64
  6. Step 6: Final answer
    x = 151,346.21

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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.