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Finding the Fourth Proportional to 271,825.93, 375,107.64 and 162,990.34

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Solution

The fourth proportional to 271,825.93, 375,107.64 and 162,990.34 is: 224,919.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,825.93 : 375,107.64 = 162,990.34 : x
  2. Step 2: Convert to fraction form
    271,825.93/375,107.64 = 162,990.34/x
  3. Step 3: Cross multiply
    271,825.93x = 375,107.64 × 162,990.34
  4. Step 4: Simplify right side
    271,825.93x = 61,138,921,780.20
  5. Step 5: Solve for x
    x = 61,138,921,780.20/271,825.93
  6. Step 6: Final answer
    x = 224,919.39

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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.