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Finding the Fourth Proportional to 85,654.89, 118,204.02 and 46,363.86

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Solution

The fourth proportional to 85,654.89, 118,204.02 and 46,363.86 is: 63,982.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,654.89 : 118,204.02 = 46,363.86 : x
  2. Step 2: Convert to fraction form
    85,654.89/118,204.02 = 46,363.86/x
  3. Step 3: Cross multiply
    85,654.89x = 118,204.02 × 46,363.86
  4. Step 4: Simplify right side
    85,654.89x = 5,480,394,634.72
  5. Step 5: Solve for x
    x = 5,480,394,634.72/85,654.89
  6. Step 6: Final answer
    x = 63,982.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.