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Finding the Fourth Proportional to 68,803.43, 94,910.28 and 43,300.28

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Solution

The fourth proportional to 68,803.43, 94,910.28 and 43,300.28 is: 59,730.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,803.43 : 94,910.28 = 43,300.28 : x
  2. Step 2: Convert to fraction form
    68,803.43/94,910.28 = 43,300.28/x
  3. Step 3: Cross multiply
    68,803.43x = 94,910.28 × 43,300.28
  4. Step 4: Simplify right side
    68,803.43x = 4,109,641,698.88
  5. Step 5: Solve for x
    x = 4,109,641,698.88/68,803.43
  6. Step 6: Final answer
    x = 59,730.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.