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Finding the Fourth Proportional to 74,599.38, 102,951.81 and 41,065.38

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Solution

The fourth proportional to 74,599.38, 102,951.81 and 41,065.38 is: 56,672.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,599.38 : 102,951.81 = 41,065.38 : x
  2. Step 2: Convert to fraction form
    74,599.38/102,951.81 = 41,065.38/x
  3. Step 3: Cross multiply
    74,599.38x = 102,951.81 × 41,065.38
  4. Step 4: Simplify right side
    74,599.38x = 4,227,755,199.34
  5. Step 5: Solve for x
    x = 4,227,755,199.34/74,599.38
  6. Step 6: Final answer
    x = 56,672.79

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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.