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Finding the Fourth Proportional to 104,460.60, 156,716.10 and 34,336.20

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Solution

The fourth proportional to 104,460.60, 156,716.10 and 34,336.20 is: 51,512.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,460.60 : 156,716.10 = 34,336.20 : x
  2. Step 2: Convert to fraction form
    104,460.60/156,716.10 = 34,336.20/x
  3. Step 3: Cross multiply
    104,460.60x = 156,716.10 × 34,336.20
  4. Step 4: Simplify right side
    104,460.60x = 5,381,035,352.82
  5. Step 5: Solve for x
    x = 5,381,035,352.82/104,460.60
  6. Step 6: Final answer
    x = 51,512.58

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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.