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Finding the Fourth Proportional to 316,964.53, 475,468.67 and 92,326.83

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Solution

The fourth proportional to 316,964.53, 475,468.67 and 92,326.83 is: 138,496.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,964.53 : 475,468.67 = 92,326.83 : x
  2. Step 2: Convert to fraction form
    316,964.53/475,468.67 = 92,326.83/x
  3. Step 3: Cross multiply
    316,964.53x = 475,468.67 × 92,326.83
  4. Step 4: Simplify right side
    316,964.53x = 43,898,515,065.42
  5. Step 5: Solve for x
    x = 43,898,515,065.42/316,964.53
  6. Step 6: Final answer
    x = 138,496.62

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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.