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Finding the Fourth Proportional to 68,783.76, 94,921.92 and 44,896.32

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Solution

The fourth proportional to 68,783.76, 94,921.92 and 44,896.32 is: 61,957.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,783.76 : 94,921.92 = 44,896.32 : x
  2. Step 2: Convert to fraction form
    68,783.76/94,921.92 = 44,896.32/x
  3. Step 3: Cross multiply
    68,783.76x = 94,921.92 × 44,896.32
  4. Step 4: Simplify right side
    68,783.76x = 4,261,644,895.33
  5. Step 5: Solve for x
    x = 4,261,644,895.33/68,783.76
  6. Step 6: Final answer
    x = 61,957.14

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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.