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Finding the Fourth Proportional to 317,274.25, 475,860.31 and 92,581.93

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Solution

The fourth proportional to 317,274.25, 475,860.31 and 92,581.93 is: 138,857.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,274.25 : 475,860.31 = 92,581.93 : x
  2. Step 2: Convert to fraction form
    317,274.25/475,860.31 = 92,581.93/x
  3. Step 3: Cross multiply
    317,274.25x = 475,860.31 × 92,581.93
  4. Step 4: Simplify right side
    317,274.25x = 44,056,065,910.20
  5. Step 5: Solve for x
    x = 44,056,065,910.20/317,274.25
  6. Step 6: Final answer
    x = 138,857.99

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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.