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Finding the Fourth Proportional to 247,084.88, 370,696.44 and 80,989.52

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Solution

The fourth proportional to 247,084.88, 370,696.44 and 80,989.52 is: 121,506.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,084.88 : 370,696.44 = 80,989.52 : x
  2. Step 2: Convert to fraction form
    247,084.88/370,696.44 = 80,989.52/x
  3. Step 3: Cross multiply
    247,084.88x = 370,696.44 × 80,989.52
  4. Step 4: Simplify right side
    247,084.88x = 30,022,526,741.31
  5. Step 5: Solve for x
    x = 30,022,526,741.31/247,084.88
  6. Step 6: Final answer
    x = 121,506.94

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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.