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Finding the Fourth Proportional to 73,104.64, 100,884.46 and 41,272.84

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Solution

The fourth proportional to 73,104.64, 100,884.46 and 41,272.84 is: 56,956.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,104.64 : 100,884.46 = 41,272.84 : x
  2. Step 2: Convert to fraction form
    73,104.64/100,884.46 = 41,272.84/x
  3. Step 3: Cross multiply
    73,104.64x = 100,884.46 × 41,272.84
  4. Step 4: Simplify right side
    73,104.64x = 4,163,788,176.07
  5. Step 5: Solve for x
    x = 4,163,788,176.07/73,104.64
  6. Step 6: Final answer
    x = 56,956.55

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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.