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Finding the Fourth Proportional to 104,214.11, 156,203.03 and 47,938.04

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Solution

The fourth proportional to 104,214.11, 156,203.03 and 47,938.04 is: 71,852.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,214.11 : 156,203.03 = 47,938.04 : x
  2. Step 2: Convert to fraction form
    104,214.11/156,203.03 = 47,938.04/x
  3. Step 3: Cross multiply
    104,214.11x = 156,203.03 × 47,938.04
  4. Step 4: Simplify right side
    104,214.11x = 7,488,066,079.56
  5. Step 5: Solve for x
    x = 7,488,066,079.56/104,214.11
  6. Step 6: Final answer
    x = 71,852.71

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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.