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Finding the Fourth Proportional to 74,383.60, 102,614.96 and 44,151.70

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Solution

The fourth proportional to 74,383.60, 102,614.96 and 44,151.70 is: 60,908.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,383.60 : 102,614.96 = 44,151.70 : x
  2. Step 2: Convert to fraction form
    74,383.60/102,614.96 = 44,151.70/x
  3. Step 3: Cross multiply
    74,383.60x = 102,614.96 × 44,151.70
  4. Step 4: Simplify right side
    74,383.60x = 4,530,624,929.43
  5. Step 5: Solve for x
    x = 4,530,624,929.43/74,383.60
  6. Step 6: Final answer
    x = 60,908.92

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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.