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Finding the Fourth Proportional to 269,909.62, 404,739.15 and 157,623.10

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Solution

The fourth proportional to 269,909.62, 404,739.15 and 157,623.10 is: 236,361.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,909.62 : 404,739.15 = 157,623.10 : x
  2. Step 2: Convert to fraction form
    269,909.62/404,739.15 = 157,623.10/x
  3. Step 3: Cross multiply
    269,909.62x = 404,739.15 × 157,623.10
  4. Step 4: Simplify right side
    269,909.62x = 63,796,239,514.37
  5. Step 5: Solve for x
    x = 63,796,239,514.37/269,909.62
  6. Step 6: Final answer
    x = 236,361.49

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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.