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Finding the Fourth Proportional to 188,245.60, 282,403.38 and 61,892.92

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Solution

The fourth proportional to 188,245.60, 282,403.38 and 61,892.92 is: 92,850.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,245.60 : 282,403.38 = 61,892.92 : x
  2. Step 2: Convert to fraction form
    188,245.60/282,403.38 = 61,892.92/x
  3. Step 3: Cross multiply
    188,245.60x = 282,403.38 × 61,892.92
  4. Step 4: Simplify right side
    188,245.60x = 17,478,769,806.07
  5. Step 5: Solve for x
    x = 17,478,769,806.07/188,245.60
  6. Step 6: Final answer
    x = 92,850.88

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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.