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Finding the Fourth Proportional to 94,673.60, 142,125.60 and 71,115.20

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Solution

The fourth proportional to 94,673.60, 142,125.60 and 71,115.20 is: 106,759.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,673.60 : 142,125.60 = 71,115.20 : x
  2. Step 2: Convert to fraction form
    94,673.60/142,125.60 = 71,115.20/x
  3. Step 3: Cross multiply
    94,673.60x = 142,125.60 × 71,115.20
  4. Step 4: Simplify right side
    94,673.60x = 10,107,290,469.12
  5. Step 5: Solve for x
    x = 10,107,290,469.12/94,673.60
  6. Step 6: Final answer
    x = 106,759.33

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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.