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Finding the Fourth Proportional to 68,266.84, 102,445.81 and 23,893.60

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Solution

The fourth proportional to 68,266.84, 102,445.81 and 23,893.60 is: 35,856.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,266.84 : 102,445.81 = 23,893.60 : x
  2. Step 2: Convert to fraction form
    68,266.84/102,445.81 = 23,893.60/x
  3. Step 3: Cross multiply
    68,266.84x = 102,445.81 × 23,893.60
  4. Step 4: Simplify right side
    68,266.84x = 2,447,799,216.45
  5. Step 5: Solve for x
    x = 2,447,799,216.45/68,266.84
  6. Step 6: Final answer
    x = 35,856.34

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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.