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Finding the Fourth Proportional to 104,114.40, 156,171.60 and 47,954.40

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Solution

The fourth proportional to 104,114.40, 156,171.60 and 47,954.40 is: 71,931.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,114.40 : 156,171.60 = 47,954.40 : x
  2. Step 2: Convert to fraction form
    104,114.40/156,171.60 = 47,954.40/x
  3. Step 3: Cross multiply
    104,114.40x = 156,171.60 × 47,954.40
  4. Step 4: Simplify right side
    104,114.40x = 7,489,115,375.04
  5. Step 5: Solve for x
    x = 7,489,115,375.04/104,114.40
  6. Step 6: Final answer
    x = 71,931.60

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1.5x scale

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.