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Finding the Fourth Proportional to 74,591.43, 102,932.98 and 40,599.96

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Solution

The fourth proportional to 74,591.43, 102,932.98 and 40,599.96 is: 56,026.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,591.43 : 102,932.98 = 40,599.96 : x
  2. Step 2: Convert to fraction form
    74,591.43/102,932.98 = 40,599.96/x
  3. Step 3: Cross multiply
    74,591.43x = 102,932.98 × 40,599.96
  4. Step 4: Simplify right side
    74,591.43x = 4,179,074,870.68
  5. Step 5: Solve for x
    x = 4,179,074,870.68/74,591.43
  6. Step 6: Final answer
    x = 56,026.21

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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.