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Finding the Fourth Proportional to 104,655.60, 156,982.68 and 34,540.56

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Solution

The fourth proportional to 104,655.60, 156,982.68 and 34,540.56 is: 51,810.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,655.60 : 156,982.68 = 34,540.56 : x
  2. Step 2: Convert to fraction form
    104,655.60/156,982.68 = 34,540.56/x
  3. Step 3: Cross multiply
    104,655.60x = 156,982.68 × 34,540.56
  4. Step 4: Simplify right side
    104,655.60x = 5,422,269,677.50
  5. Step 5: Solve for x
    x = 5,422,269,677.50/104,655.60
  6. Step 6: Final answer
    x = 51,810.60

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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.