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Finding the Fourth Proportional to 73,865.54, 110,832.91 and 36,405.19

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Solution

The fourth proportional to 73,865.54, 110,832.91 and 36,405.19 is: 54,624.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,865.54 : 110,832.91 = 36,405.19 : x
  2. Step 2: Convert to fraction form
    73,865.54/110,832.91 = 36,405.19/x
  3. Step 3: Cross multiply
    73,865.54x = 110,832.91 × 36,405.19
  4. Step 4: Simplify right side
    73,865.54x = 4,034,893,146.80
  5. Step 5: Solve for x
    x = 4,034,893,146.80/73,865.54
  6. Step 6: Final answer
    x = 54,624.84

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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.