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Finding the Fourth Proportional to 265,797.39, 398,696.07 and 68,805.39

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Solution

The fourth proportional to 265,797.39, 398,696.07 and 68,805.39 is: 103,208.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,797.39 : 398,696.07 = 68,805.39 : x
  2. Step 2: Convert to fraction form
    265,797.39/398,696.07 = 68,805.39/x
  3. Step 3: Cross multiply
    265,797.39x = 398,696.07 × 68,805.39
  4. Step 4: Simplify right side
    265,797.39x = 27,432,438,587.82
  5. Step 5: Solve for x
    x = 27,432,438,587.82/265,797.39
  6. Step 6: Final answer
    x = 103,208.08

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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.