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Finding the Fourth Proportional to 104,609.50, 156,905.35 and 41,412.43

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Solution

The fourth proportional to 104,609.50, 156,905.35 and 41,412.43 is: 62,115.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,609.50 : 156,905.35 = 41,412.43 : x
  2. Step 2: Convert to fraction form
    104,609.50/156,905.35 = 41,412.43/x
  3. Step 3: Cross multiply
    104,609.50x = 156,905.35 × 41,412.43
  4. Step 4: Simplify right side
    104,609.50x = 6,497,831,823.50
  5. Step 5: Solve for x
    x = 6,497,831,823.50/104,609.50
  6. Step 6: Final answer
    x = 62,115.12

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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.