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Finding the Fourth Proportional to 74,736.81, 112,104.81 and 32,035.95

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Solution

The fourth proportional to 74,736.81, 112,104.81 and 32,035.95 is: 48,053.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,736.81 : 112,104.81 = 32,035.95 : x
  2. Step 2: Convert to fraction form
    74,736.81/112,104.81 = 32,035.95/x
  3. Step 3: Cross multiply
    74,736.81x = 112,104.81 × 32,035.95
  4. Step 4: Simplify right side
    74,736.81x = 3,591,384,087.92
  5. Step 5: Solve for x
    x = 3,591,384,087.92/74,736.81
  6. Step 6: Final answer
    x = 48,053.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.