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Finding the Fourth Proportional to 50,098.56, 74,780.16 and 44,193.28

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Solution

The fourth proportional to 50,098.56, 74,780.16 and 44,193.28 is: 65,965.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,098.56 : 74,780.16 = 44,193.28 : x
  2. Step 2: Convert to fraction form
    50,098.56/74,780.16 = 44,193.28/x
  3. Step 3: Cross multiply
    50,098.56x = 74,780.16 × 44,193.28
  4. Step 4: Simplify right side
    50,098.56x = 3,304,780,549.32
  5. Step 5: Solve for x
    x = 3,304,780,549.32/50,098.56
  6. Step 6: Final answer
    x = 65,965.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.