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Finding the Fourth Proportional to 114,199.97, 157,591.91 and 63,212.79

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Solution

The fourth proportional to 114,199.97, 157,591.91 and 63,212.79 is: 87,231.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,199.97 : 157,591.91 = 63,212.79 : x
  2. Step 2: Convert to fraction form
    114,199.97/157,591.91 = 63,212.79/x
  3. Step 3: Cross multiply
    114,199.97x = 157,591.91 × 63,212.79
  4. Step 4: Simplify right side
    114,199.97x = 9,961,823,996.46
  5. Step 5: Solve for x
    x = 9,961,823,996.46/114,199.97
  6. Step 6: Final answer
    x = 87,231.41

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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.