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Finding the Fourth Proportional to 68,740.92, 94,878.54 and 44,825.94

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Solution

The fourth proportional to 68,740.92, 94,878.54 and 44,825.94 is: 61,870.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,740.92 : 94,878.54 = 44,825.94 : x
  2. Step 2: Convert to fraction form
    68,740.92/94,878.54 = 44,825.94/x
  3. Step 3: Cross multiply
    68,740.92x = 94,878.54 × 44,825.94
  4. Step 4: Simplify right side
    68,740.92x = 4,253,019,741.33
  5. Step 5: Solve for x
    x = 4,253,019,741.33/68,740.92
  6. Step 6: Final answer
    x = 61,870.28

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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.