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Finding the Fourth Proportional to 322,170.66, 483,070.77 and 132,761.76

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Solution

The fourth proportional to 322,170.66, 483,070.77 and 132,761.76 is: 199,066.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,170.66 : 483,070.77 = 132,761.76 : x
  2. Step 2: Convert to fraction form
    322,170.66/483,070.77 = 132,761.76/x
  3. Step 3: Cross multiply
    322,170.66x = 483,070.77 × 132,761.76
  4. Step 4: Simplify right side
    322,170.66x = 64,133,325,629.76
  5. Step 5: Solve for x
    x = 64,133,325,629.76/322,170.66
  6. Step 6: Final answer
    x = 199,066.31

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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.