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Finding the Fourth Proportional to 255,260.74, 382,891.02 and 68,267.38

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Solution

The fourth proportional to 255,260.74, 382,891.02 and 68,267.38 is: 102,401.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,260.74 : 382,891.02 = 68,267.38 : x
  2. Step 2: Convert to fraction form
    255,260.74/382,891.02 = 68,267.38/x
  3. Step 3: Cross multiply
    255,260.74x = 382,891.02 × 68,267.38
  4. Step 4: Simplify right side
    255,260.74x = 26,138,966,760.93
  5. Step 5: Solve for x
    x = 26,138,966,760.93/255,260.74
  6. Step 6: Final answer
    x = 102,401.05

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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.