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Finding the Fourth Proportional to 148,442.84, 204,851.22 and 80,460.44

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Solution

The fourth proportional to 148,442.84, 204,851.22 and 80,460.44 is: 111,035.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,442.84 : 204,851.22 = 80,460.44 : x
  2. Step 2: Convert to fraction form
    148,442.84/204,851.22 = 80,460.44/x
  3. Step 3: Cross multiply
    148,442.84x = 204,851.22 × 80,460.44
  4. Step 4: Simplify right side
    148,442.84x = 16,482,419,295.74
  5. Step 5: Solve for x
    x = 16,482,419,295.74/148,442.84
  6. Step 6: Final answer
    x = 111,035.46

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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.