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Finding the Fourth Proportional to 263,737.01, 363,956.59 and 142,881.32

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Solution

The fourth proportional to 263,737.01, 363,956.59 and 142,881.32 is: 197,175.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,737.01 : 363,956.59 = 142,881.32 : x
  2. Step 2: Convert to fraction form
    263,737.01/363,956.59 = 142,881.32/x
  3. Step 3: Cross multiply
    263,737.01x = 363,956.59 × 142,881.32
  4. Step 4: Simplify right side
    263,737.01x = 52,002,597,043.14
  5. Step 5: Solve for x
    x = 52,002,597,043.14/263,737.01
  6. Step 6: Final answer
    x = 197,175.95

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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.