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Finding the Fourth Proportional to 157,365.62, 236,118.21 and 82,467.96

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Solution

The fourth proportional to 157,365.62, 236,118.21 and 82,467.96 is: 123,738.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,365.62 : 236,118.21 = 82,467.96 : x
  2. Step 2: Convert to fraction form
    157,365.62/236,118.21 = 82,467.96/x
  3. Step 3: Cross multiply
    157,365.62x = 236,118.21 × 82,467.96
  4. Step 4: Simplify right side
    157,365.62x = 19,472,187,097.55
  5. Step 5: Solve for x
    x = 19,472,187,097.55/157,365.62
  6. Step 6: Final answer
    x = 123,738.51

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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.