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Finding the Fourth Proportional to 168,410.40, 252,615.60 and 63,223.80

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Solution

The fourth proportional to 168,410.40, 252,615.60 and 63,223.80 is: 94,835.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,410.40 : 252,615.60 = 63,223.80 : x
  2. Step 2: Convert to fraction form
    168,410.40/252,615.60 = 63,223.80/x
  3. Step 3: Cross multiply
    168,410.40x = 252,615.60 × 63,223.80
  4. Step 4: Simplify right side
    168,410.40x = 15,971,318,171.28
  5. Step 5: Solve for x
    x = 15,971,318,171.28/168,410.40
  6. Step 6: Final answer
    x = 94,835.70

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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.