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Finding the Fourth Proportional to 245,529, 368,292.45 and 68,035.50

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Solution

The fourth proportional to 245,529, 368,292.45 and 68,035.50 is: 102,052.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,529 : 368,292.45 = 68,035.50 : x
  2. Step 2: Convert to fraction form
    245,529/368,292.45 = 68,035.50/x
  3. Step 3: Cross multiply
    245,529x = 368,292.45 × 68,035.50
  4. Step 4: Simplify right side
    245,529x = 25,056,960,981.98
  5. Step 5: Solve for x
    x = 25,056,960,981.98/245,529
  6. Step 6: Final answer
    x = 102,052.96

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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.