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Finding the Fourth Proportional to 73,820.45, 110,627.73 and 55,793.88

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Solution

The fourth proportional to 73,820.45, 110,627.73 and 55,793.88 is: 83,613.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,820.45 : 110,627.73 = 55,793.88 : x
  2. Step 2: Convert to fraction form
    73,820.45/110,627.73 = 55,793.88/x
  3. Step 3: Cross multiply
    73,820.45x = 110,627.73 × 55,793.88
  4. Step 4: Simplify right side
    73,820.45x = 6,172,350,292.29
  5. Step 5: Solve for x
    x = 6,172,350,292.29/73,820.45
  6. Step 6: Final answer
    x = 83,613.02

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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.