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Finding the Fourth Proportional to 114,212.88, 157,611.90 and 63,224.54

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Solution

The fourth proportional to 114,212.88, 157,611.90 and 63,224.54 is: 87,248.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,212.88 : 157,611.90 = 63,224.54 : x
  2. Step 2: Convert to fraction form
    114,212.88/157,611.90 = 63,224.54/x
  3. Step 3: Cross multiply
    114,212.88x = 157,611.90 × 63,224.54
  4. Step 4: Simplify right side
    114,212.88x = 9,964,940,270.06
  5. Step 5: Solve for x
    x = 9,964,940,270.06/114,212.88
  6. Step 6: Final answer
    x = 87,248.83

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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.