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Finding the Fourth Proportional to 68,630.25, 94,644.95 and 44,775.21

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Solution

The fourth proportional to 68,630.25, 94,644.95 and 44,775.21 is: 61,747.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,630.25 : 94,644.95 = 44,775.21 : x
  2. Step 2: Convert to fraction form
    68,630.25/94,644.95 = 44,775.21/x
  3. Step 3: Cross multiply
    68,630.25x = 94,644.95 × 44,775.21
  4. Step 4: Simplify right side
    68,630.25x = 4,237,747,287.81
  5. Step 5: Solve for x
    x = 4,237,747,287.81/68,630.25
  6. Step 6: Final answer
    x = 61,747.51

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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.