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Finding the Fourth Proportional to 323,149.38, 484,505.37 and 112,672.50

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Solution

The fourth proportional to 323,149.38, 484,505.37 and 112,672.50 is: 168,932.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,149.38 : 484,505.37 = 112,672.50 : x
  2. Step 2: Convert to fraction form
    323,149.38/484,505.37 = 112,672.50/x
  3. Step 3: Cross multiply
    323,149.38x = 484,505.37 × 112,672.50
  4. Step 4: Simplify right side
    323,149.38x = 54,590,431,301.33
  5. Step 5: Solve for x
    x = 54,590,431,301.33/323,149.38
  6. Step 6: Final answer
    x = 168,932.50

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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.