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Finding the Fourth Proportional to 271,783.62, 375,238.98 and 176,561.64

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Solution

The fourth proportional to 271,783.62, 375,238.98 and 176,561.64 is: 243,770.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,783.62 : 375,238.98 = 176,561.64 : x
  2. Step 2: Convert to fraction form
    271,783.62/375,238.98 = 176,561.64/x
  3. Step 3: Cross multiply
    271,783.62x = 375,238.98 × 176,561.64
  4. Step 4: Simplify right side
    271,783.62x = 66,252,809,700.73
  5. Step 5: Solve for x
    x = 66,252,809,700.73/271,783.62
  6. Step 6: Final answer
    x = 243,770.43

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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.