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Finding the Fourth Proportional to 185,218.80, 255,606.12 and 108,759.84

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Solution

The fourth proportional to 185,218.80, 255,606.12 and 108,759.84 is: 150,091.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,218.80 : 255,606.12 = 108,759.84 : x
  2. Step 2: Convert to fraction form
    185,218.80/255,606.12 = 108,759.84/x
  3. Step 3: Cross multiply
    185,218.80x = 255,606.12 × 108,759.84
  4. Step 4: Simplify right side
    185,218.80x = 27,799,680,714.22
  5. Step 5: Solve for x
    x = 27,799,680,714.22/185,218.80
  6. Step 6: Final answer
    x = 150,091.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.