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Finding the Fourth Proportional to 63,121.84, 94,610.82 and 39,440.32

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Solution

The fourth proportional to 63,121.84, 94,610.82 and 39,440.32 is: 59,115.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,121.84 : 94,610.82 = 39,440.32 : x
  2. Step 2: Convert to fraction form
    63,121.84/94,610.82 = 39,440.32/x
  3. Step 3: Cross multiply
    63,121.84x = 94,610.82 × 39,440.32
  4. Step 4: Simplify right side
    63,121.84x = 3,731,481,016.26
  5. Step 5: Solve for x
    x = 3,731,481,016.26/63,121.84
  6. Step 6: Final answer
    x = 59,115.53

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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.