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Finding the Fourth Proportional to 148,441.84, 204,849.84 and 80,459.44

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Solution

The fourth proportional to 148,441.84, 204,849.84 and 80,459.44 is: 111,034.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,441.84 : 204,849.84 = 80,459.44 : x
  2. Step 2: Convert to fraction form
    148,441.84/204,849.84 = 80,459.44/x
  3. Step 3: Cross multiply
    148,441.84x = 204,849.84 × 80,459.44
  4. Step 4: Simplify right side
    148,441.84x = 16,482,103,410.49
  5. Step 5: Solve for x
    x = 16,482,103,410.49/148,441.84
  6. Step 6: Final answer
    x = 111,034.08

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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.