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Finding the Fourth Proportional to 245,626.61, 368,439.91 and 68,133.62

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Solution

The fourth proportional to 245,626.61, 368,439.91 and 68,133.62 is: 102,200.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,626.61 : 368,439.91 = 68,133.62 : x
  2. Step 2: Convert to fraction form
    245,626.61/368,439.91 = 68,133.62/x
  3. Step 3: Cross multiply
    245,626.61x = 368,439.91 × 68,133.62
  4. Step 4: Simplify right side
    245,626.61x = 25,103,144,820.77
  5. Step 5: Solve for x
    x = 25,103,144,820.77/245,626.61
  6. Step 6: Final answer
    x = 102,200.43

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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.