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Finding the Fourth Proportional to 254,216.22, 381,326.58 and 64,676.81

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Solution

The fourth proportional to 254,216.22, 381,326.58 and 64,676.81 is: 97,015.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,216.22 : 381,326.58 = 64,676.81 : x
  2. Step 2: Convert to fraction form
    254,216.22/381,326.58 = 64,676.81/x
  3. Step 3: Cross multiply
    254,216.22x = 381,326.58 × 64,676.81
  4. Step 4: Simplify right side
    254,216.22x = 24,662,984,855.98
  5. Step 5: Solve for x
    x = 24,662,984,855.98/254,216.22
  6. Step 6: Final answer
    x = 97,015.78

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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.