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Finding the Fourth Proportional to 104,494.70, 156,742.05 and 25,609.70

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Solution

The fourth proportional to 104,494.70, 156,742.05 and 25,609.70 is: 38,414.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,494.70 : 156,742.05 = 25,609.70 : x
  2. Step 2: Convert to fraction form
    104,494.70/156,742.05 = 25,609.70/x
  3. Step 3: Cross multiply
    104,494.70x = 156,742.05 × 25,609.70
  4. Step 4: Simplify right side
    104,494.70x = 4,014,116,877.89
  5. Step 5: Solve for x
    x = 4,014,116,877.89/104,494.70
  6. Step 6: Final answer
    x = 38,414.55

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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.