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Finding the Fourth Proportional to 80,374.96, 110,915.56 and 44,564.64

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Solution

The fourth proportional to 80,374.96, 110,915.56 and 44,564.64 is: 61,498.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,374.96 : 110,915.56 = 44,564.64 : x
  2. Step 2: Convert to fraction form
    80,374.96/110,915.56 = 44,564.64/x
  3. Step 3: Cross multiply
    80,374.96x = 110,915.56 × 44,564.64
  4. Step 4: Simplify right side
    80,374.96x = 4,942,912,001.80
  5. Step 5: Solve for x
    x = 4,942,912,001.80/80,374.96
  6. Step 6: Final answer
    x = 61,498.16

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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.