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Finding the Fourth Proportional to 168,550.80, 253,117.80 and 109,647.60

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Solution

The fourth proportional to 168,550.80, 253,117.80 and 109,647.60 is: 164,661.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,550.80 : 253,117.80 = 109,647.60 : x
  2. Step 2: Convert to fraction form
    168,550.80/253,117.80 = 109,647.60/x
  3. Step 3: Cross multiply
    168,550.80x = 253,117.80 × 109,647.60
  4. Step 4: Simplify right side
    168,550.80x = 27,753,759,287.28
  5. Step 5: Solve for x
    x = 27,753,759,287.28/168,550.80
  6. Step 6: Final answer
    x = 164,661.09

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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.