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Finding the Fourth Proportional to 300,733.56, 450,925.20 and 113,759.64

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Solution

The fourth proportional to 300,733.56, 450,925.20 and 113,759.64 is: 170,573.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,733.56 : 450,925.20 = 113,759.64 : x
  2. Step 2: Convert to fraction form
    300,733.56/450,925.20 = 113,759.64/x
  3. Step 3: Cross multiply
    300,733.56x = 450,925.20 × 113,759.64
  4. Step 4: Simplify right side
    300,733.56x = 51,297,088,418.93
  5. Step 5: Solve for x
    x = 51,297,088,418.93/300,733.56
  6. Step 6: Final answer
    x = 170,573.21

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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.