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Finding the Fourth Proportional to 322,177.21, 483,080.63 and 132,768.34

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Solution

The fourth proportional to 322,177.21, 483,080.63 and 132,768.34 is: 199,076.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,177.21 : 483,080.63 = 132,768.34 : x
  2. Step 2: Convert to fraction form
    322,177.21/483,080.63 = 132,768.34/x
  3. Step 3: Cross multiply
    322,177.21x = 483,080.63 × 132,768.34
  4. Step 4: Simplify right side
    322,177.21x = 64,137,811,459.71
  5. Step 5: Solve for x
    x = 64,137,811,459.71/322,177.21
  6. Step 6: Final answer
    x = 199,076.19

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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.