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Finding the Fourth Proportional to 74,562.98, 102,863.01 and 44,331.15

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Solution

The fourth proportional to 74,562.98, 102,863.01 and 44,331.15 is: 61,156.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,562.98 : 102,863.01 = 44,331.15 : x
  2. Step 2: Convert to fraction form
    74,562.98/102,863.01 = 44,331.15/x
  3. Step 3: Cross multiply
    74,562.98x = 102,863.01 × 44,331.15
  4. Step 4: Simplify right side
    74,562.98x = 4,560,035,525.76
  5. Step 5: Solve for x
    x = 4,560,035,525.76/74,562.98
  6. Step 6: Final answer
    x = 61,156.83

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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.