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Finding the Fourth Proportional to 181,218.80, 250,067.30 and 104,742.84

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Solution

The fourth proportional to 181,218.80, 250,067.30 and 104,742.84 is: 144,536.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,218.80 : 250,067.30 = 104,742.84 : x
  2. Step 2: Convert to fraction form
    181,218.80/250,067.30 = 104,742.84/x
  3. Step 3: Cross multiply
    181,218.80x = 250,067.30 × 104,742.84
  4. Step 4: Simplify right side
    181,218.80x = 26,192,760,196.35
  5. Step 5: Solve for x
    x = 26,192,760,196.35/181,218.80
  6. Step 6: Final answer
    x = 144,536.66

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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.