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Finding the Fourth Proportional to 321,073.64, 481,575.90 and 96,410.60

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Solution

The fourth proportional to 321,073.64, 481,575.90 and 96,410.60 is: 144,605.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,073.64 : 481,575.90 = 96,410.60 : x
  2. Step 2: Convert to fraction form
    321,073.64/481,575.90 = 96,410.60/x
  3. Step 3: Cross multiply
    321,073.64x = 481,575.90 × 96,410.60
  4. Step 4: Simplify right side
    321,073.64x = 46,429,021,464.54
  5. Step 5: Solve for x
    x = 46,429,021,464.54/321,073.64
  6. Step 6: Final answer
    x = 144,605.52

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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.