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Finding the Fourth Proportional to 301,559.64, 452,339.73 and 91,197.78

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Solution

The fourth proportional to 301,559.64, 452,339.73 and 91,197.78 is: 136,796.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,559.64 : 452,339.73 = 91,197.78 : x
  2. Step 2: Convert to fraction form
    301,559.64/452,339.73 = 91,197.78/x
  3. Step 3: Cross multiply
    301,559.64x = 452,339.73 × 91,197.78
  4. Step 4: Simplify right side
    301,559.64x = 41,252,379,181.80
  5. Step 5: Solve for x
    x = 41,252,379,181.80/301,559.64
  6. Step 6: Final answer
    x = 136,796.75

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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.