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Finding the Fourth Proportional to 68,008.88, 101,997.12 and 28,566.74

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Solution

The fourth proportional to 68,008.88, 101,997.12 and 28,566.74 is: 42,843.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,008.88 : 101,997.12 = 28,566.74 : x
  2. Step 2: Convert to fraction form
    68,008.88/101,997.12 = 28,566.74/x
  3. Step 3: Cross multiply
    68,008.88x = 101,997.12 × 28,566.74
  4. Step 4: Simplify right side
    68,008.88x = 2,913,725,207.79
  5. Step 5: Solve for x
    x = 2,913,725,207.79/68,008.88
  6. Step 6: Final answer
    x = 42,843.31

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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.