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Finding the Fourth Proportional to 323,372.43, 485,036.06 and 120,930.03

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Solution

The fourth proportional to 323,372.43, 485,036.06 and 120,930.03 is: 181,386.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,372.43 : 485,036.06 = 120,930.03 : x
  2. Step 2: Convert to fraction form
    323,372.43/485,036.06 = 120,930.03/x
  3. Step 3: Cross multiply
    323,372.43x = 485,036.06 × 120,930.03
  4. Step 4: Simplify right side
    323,372.43x = 58,655,424,682.23
  5. Step 5: Solve for x
    x = 58,655,424,682.23/323,372.43
  6. Step 6: Final answer
    x = 181,386.60

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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.