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Finding the Fourth Proportional to 168,002.60, 251,712.30 and 108,807.80

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Solution

The fourth proportional to 168,002.60, 251,712.30 and 108,807.80 is: 163,022.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,002.60 : 251,712.30 = 108,807.80 : x
  2. Step 2: Convert to fraction form
    168,002.60/251,712.30 = 108,807.80/x
  3. Step 3: Cross multiply
    168,002.60x = 251,712.30 × 108,807.80
  4. Step 4: Simplify right side
    168,002.60x = 27,388,261,595.94
  5. Step 5: Solve for x
    x = 27,388,261,595.94/168,002.60
  6. Step 6: Final answer
    x = 163,022.84

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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.