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Finding the Fourth Proportional to 207,277.20, 310,992.60 and 82,707.60

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Solution

The fourth proportional to 207,277.20, 310,992.60 and 82,707.60 is: 124,092.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,277.20 : 310,992.60 = 82,707.60 : x
  2. Step 2: Convert to fraction form
    207,277.20/310,992.60 = 82,707.60/x
  3. Step 3: Cross multiply
    207,277.20x = 310,992.60 × 82,707.60
  4. Step 4: Simplify right side
    207,277.20x = 25,721,451,563.76
  5. Step 5: Solve for x
    x = 25,721,451,563.76/207,277.20
  6. Step 6: Final answer
    x = 124,092.04

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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.