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Finding the Fourth Proportional to 73,182.63, 100,990.70 and 41,350.84

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Solution

The fourth proportional to 73,182.63, 100,990.70 and 41,350.84 is: 57,063.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,182.63 : 100,990.70 = 41,350.84 : x
  2. Step 2: Convert to fraction form
    73,182.63/100,990.70 = 41,350.84/x
  3. Step 3: Cross multiply
    73,182.63x = 100,990.70 × 41,350.84
  4. Step 4: Simplify right side
    73,182.63x = 4,176,050,277.19
  5. Step 5: Solve for x
    x = 4,176,050,277.19/73,182.63
  6. Step 6: Final answer
    x = 57,063.41

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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.