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Finding the Fourth Proportional to 245,739.49, 368,568.06 and 68,264.44

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Solution

The fourth proportional to 245,739.49, 368,568.06 and 68,264.44 is: 102,385.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,739.49 : 368,568.06 = 68,264.44 : x
  2. Step 2: Convert to fraction form
    245,739.49/368,568.06 = 68,264.44/x
  3. Step 3: Cross multiply
    245,739.49x = 368,568.06 × 68,264.44
  4. Step 4: Simplify right side
    245,739.49x = 25,160,092,217.79
  5. Step 5: Solve for x
    x = 25,160,092,217.79/245,739.49
  6. Step 6: Final answer
    x = 102,385.22

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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.