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Finding the Fourth Proportional to 73,096.54, 100,871.96 and 40,829.11

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Solution

The fourth proportional to 73,096.54, 100,871.96 and 40,829.11 is: 56,343.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,096.54 : 100,871.96 = 40,829.11 : x
  2. Step 2: Convert to fraction form
    73,096.54/100,871.96 = 40,829.11/x
  3. Step 3: Cross multiply
    73,096.54x = 100,871.96 × 40,829.11
  4. Step 4: Simplify right side
    73,096.54x = 4,118,511,894.43
  5. Step 5: Solve for x
    x = 4,118,511,894.43/73,096.54
  6. Step 6: Final answer
    x = 56,343.46

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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.