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Finding the Fourth Proportional to 182,869.02, 274,321.98 and 68,988.26

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Solution

The fourth proportional to 182,869.02, 274,321.98 and 68,988.26 is: 103,489.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,869.02 : 274,321.98 = 68,988.26 : x
  2. Step 2: Convert to fraction form
    182,869.02/274,321.98 = 68,988.26/x
  3. Step 3: Cross multiply
    182,869.02x = 274,321.98 × 68,988.26
  4. Step 4: Simplify right side
    182,869.02x = 18,924,995,416.73
  5. Step 5: Solve for x
    x = 18,924,995,416.73/182,869.02
  6. Step 6: Final answer
    x = 103,489.35

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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.