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Finding the Fourth Proportional to 260,874.03, 359,995.89 and 147,696.78

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Solution

The fourth proportional to 260,874.03, 359,995.89 and 147,696.78 is: 203,815.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,874.03 : 359,995.89 = 147,696.78 : x
  2. Step 2: Convert to fraction form
    260,874.03/359,995.89 = 147,696.78/x
  3. Step 3: Cross multiply
    260,874.03x = 359,995.89 × 147,696.78
  4. Step 4: Simplify right side
    260,874.03x = 53,170,233,766.23
  5. Step 5: Solve for x
    x = 53,170,233,766.23/260,874.03
  6. Step 6: Final answer
    x = 203,815.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.