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Finding the Fourth Proportional to 94,661.80, 141,819.90 and 57,682.60

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Solution

The fourth proportional to 94,661.80, 141,819.90 and 57,682.60 is: 86,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,661.80 : 141,819.90 = 57,682.60 : x
  2. Step 2: Convert to fraction form
    94,661.80/141,819.90 = 57,682.60/x
  3. Step 3: Cross multiply
    94,661.80x = 141,819.90 × 57,682.60
  4. Step 4: Simplify right side
    94,661.80x = 8,180,540,563.74
  5. Step 5: Solve for x
    x = 8,180,540,563.74/94,661.80
  6. Step 6: Final answer
    x = 86,418.60

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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.