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Finding the Fourth Proportional to 271,010, 373,833 and 163,516.40

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Solution

The fourth proportional to 271,010, 373,833 and 163,516.40 is: 225,555.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,010 : 373,833 = 163,516.40 : x
  2. Step 2: Convert to fraction form
    271,010/373,833 = 163,516.40/x
  3. Step 3: Cross multiply
    271,010x = 373,833 × 163,516.40
  4. Step 4: Simplify right side
    271,010x = 61,127,826,361.20
  5. Step 5: Solve for x
    x = 61,127,826,361.20/271,010
  6. Step 6: Final answer
    x = 225,555.61

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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.