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Finding the Fourth Proportional to 168,998.60, 253,497.90 and 98,841.80

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Solution

The fourth proportional to 168,998.60, 253,497.90 and 98,841.80 is: 148,262.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,998.60 : 253,497.90 = 98,841.80 : x
  2. Step 2: Convert to fraction form
    168,998.60/253,497.90 = 98,841.80/x
  3. Step 3: Cross multiply
    168,998.60x = 253,497.90 × 98,841.80
  4. Step 4: Simplify right side
    168,998.60x = 25,056,188,732.22
  5. Step 5: Solve for x
    x = 25,056,188,732.22/168,998.60
  6. Step 6: Final answer
    x = 148,262.70

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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.