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Finding the Fourth Proportional to 235,397.94, 352,449.90 and 164,391.54

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Solution

The fourth proportional to 235,397.94, 352,449.90 and 164,391.54 is: 246,135.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,397.94 : 352,449.90 = 164,391.54 : x
  2. Step 2: Convert to fraction form
    235,397.94/352,449.90 = 164,391.54/x
  3. Step 3: Cross multiply
    235,397.94x = 352,449.90 × 164,391.54
  4. Step 4: Simplify right side
    235,397.94x = 57,939,781,833.85
  5. Step 5: Solve for x
    x = 57,939,781,833.85/235,397.94
  6. Step 6: Final answer
    x = 246,135.47

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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.