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Finding the Fourth Proportional to 157,857.75, 236,786.78 and 44,001.01

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Solution

The fourth proportional to 157,857.75, 236,786.78 and 44,001.01 is: 66,001.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,857.75 : 236,786.78 = 44,001.01 : x
  2. Step 2: Convert to fraction form
    157,857.75/236,786.78 = 44,001.01/x
  3. Step 3: Cross multiply
    157,857.75x = 236,786.78 × 44,001.01
  4. Step 4: Simplify right side
    157,857.75x = 10,418,857,474.65
  5. Step 5: Solve for x
    x = 10,418,857,474.65/157,857.75
  6. Step 6: Final answer
    x = 66,001.56

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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.