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Finding the Fourth Proportional to 168,671.60, 253,007.40 and 44,012.60

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Solution

The fourth proportional to 168,671.60, 253,007.40 and 44,012.60 is: 66,018.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,671.60 : 253,007.40 = 44,012.60 : x
  2. Step 2: Convert to fraction form
    168,671.60/253,007.40 = 44,012.60/x
  3. Step 3: Cross multiply
    168,671.60x = 253,007.40 × 44,012.60
  4. Step 4: Simplify right side
    168,671.60x = 11,135,513,493.24
  5. Step 5: Solve for x
    x = 11,135,513,493.24/168,671.60
  6. Step 6: Final answer
    x = 66,018.90

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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.