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Finding the Fourth Proportional to 245,734.43, 368,601.77 and 68,241.42

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Solution

The fourth proportional to 245,734.43, 368,601.77 and 68,241.42 is: 102,362.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,734.43 : 368,601.77 = 68,241.42 : x
  2. Step 2: Convert to fraction form
    245,734.43/368,601.77 = 68,241.42/x
  3. Step 3: Cross multiply
    245,734.43x = 368,601.77 × 68,241.42
  4. Step 4: Simplify right side
    245,734.43x = 25,153,908,369.92
  5. Step 5: Solve for x
    x = 25,153,908,369.92/245,734.43
  6. Step 6: Final answer
    x = 102,362.17

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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.