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Finding the Fourth Proportional to 104,380.88, 156,581.60 and 29,501.60

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Solution

The fourth proportional to 104,380.88, 156,581.60 and 29,501.60 is: 44,255.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,380.88 : 156,581.60 = 29,501.60 : x
  2. Step 2: Convert to fraction form
    104,380.88/156,581.60 = 29,501.60/x
  3. Step 3: Cross multiply
    104,380.88x = 156,581.60 × 29,501.60
  4. Step 4: Simplify right side
    104,380.88x = 4,619,406,800.14
  5. Step 5: Solve for x
    x = 4,619,406,800.14/104,380.88
  6. Step 6: Final answer
    x = 44,255.30

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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.