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Finding the Fourth Proportional to 219,361.63, 328,832.24 and 92,827.81

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Solution

The fourth proportional to 219,361.63, 328,832.24 and 92,827.81 is: 139,152.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,361.63 : 328,832.24 = 92,827.81 : x
  2. Step 2: Convert to fraction form
    219,361.63/328,832.24 = 92,827.81/x
  3. Step 3: Cross multiply
    219,361.63x = 328,832.24 × 92,827.81
  4. Step 4: Simplify right side
    219,361.63x = 30,524,777,165.65
  5. Step 5: Solve for x
    x = 30,524,777,165.65/219,361.63
  6. Step 6: Final answer
    x = 139,152.76

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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.