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Finding the Fourth Proportional to 68,774.67, 94,929.30 and 44,905.05

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Solution

The fourth proportional to 68,774.67, 94,929.30 and 44,905.05 is: 61,982.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,774.67 : 94,929.30 = 44,905.05 : x
  2. Step 2: Convert to fraction form
    68,774.67/94,929.30 = 44,905.05/x
  3. Step 3: Cross multiply
    68,774.67x = 94,929.30 × 44,905.05
  4. Step 4: Simplify right side
    68,774.67x = 4,262,804,962.97
  5. Step 5: Solve for x
    x = 4,262,804,962.97/68,774.67
  6. Step 6: Final answer
    x = 61,982.19

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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.