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Finding the Fourth Proportional to 316,682.58, 475,054.99 and 92,044.88

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Solution

The fourth proportional to 316,682.58, 475,054.99 and 92,044.88 is: 138,076.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,682.58 : 475,054.99 = 92,044.88 : x
  2. Step 2: Convert to fraction form
    316,682.58/475,054.99 = 92,044.88/x
  3. Step 3: Cross multiply
    316,682.58x = 475,054.99 × 92,044.88
  4. Step 4: Simplify right side
    316,682.58x = 43,726,376,942.56
  5. Step 5: Solve for x
    x = 43,726,376,942.56/316,682.58
  6. Step 6: Final answer
    x = 138,076.36

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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.