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Finding the Fourth Proportional to 157,732, 236,481.36 and 95,388.64

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Solution

The fourth proportional to 157,732, 236,481.36 and 95,388.64 is: 143,012.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,732 : 236,481.36 = 95,388.64 : x
  2. Step 2: Convert to fraction form
    157,732/236,481.36 = 95,388.64/x
  3. Step 3: Cross multiply
    157,732x = 236,481.36 × 95,388.64
  4. Step 4: Simplify right side
    157,732x = 22,557,635,315.75
  5. Step 5: Solve for x
    x = 22,557,635,315.75/157,732
  6. Step 6: Final answer
    x = 143,012.42

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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.