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Finding the Fourth Proportional to 168,544.80, 253,108.80 and 109,641.60

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Solution

The fourth proportional to 168,544.80, 253,108.80 and 109,641.60 is: 164,652.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,544.80 : 253,108.80 = 109,641.60 : x
  2. Step 2: Convert to fraction form
    168,544.80/253,108.80 = 109,641.60/x
  3. Step 3: Cross multiply
    168,544.80x = 253,108.80 × 109,641.60
  4. Step 4: Simplify right side
    168,544.80x = 27,751,253,806.08
  5. Step 5: Solve for x
    x = 27,751,253,806.08/168,544.80
  6. Step 6: Final answer
    x = 164,652.09

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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.