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Finding the Fourth Proportional to 73,380.68, 110,106.34 and 35,920.34

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Solution

The fourth proportional to 73,380.68, 110,106.34 and 35,920.34 is: 53,897.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,380.68 : 110,106.34 = 35,920.34 : x
  2. Step 2: Convert to fraction form
    73,380.68/110,106.34 = 35,920.34/x
  3. Step 3: Cross multiply
    73,380.68x = 110,106.34 × 35,920.34
  4. Step 4: Simplify right side
    73,380.68x = 3,955,056,631.85
  5. Step 5: Solve for x
    x = 3,955,056,631.85/73,380.68
  6. Step 6: Final answer
    x = 53,897.79

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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.