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Finding the Fourth Proportional to 255,300.33, 382,921.29 and 68,326.41

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Solution

The fourth proportional to 255,300.33, 382,921.29 and 68,326.41 is: 102,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,300.33 : 382,921.29 = 68,326.41 : x
  2. Step 2: Convert to fraction form
    255,300.33/382,921.29 = 68,326.41/x
  3. Step 3: Cross multiply
    255,300.33x = 382,921.29 × 68,326.41
  4. Step 4: Simplify right side
    255,300.33x = 26,163,637,058.27
  5. Step 5: Solve for x
    x = 26,163,637,058.27/255,300.33
  6. Step 6: Final answer
    x = 102,481.80

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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.