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Finding the Fourth Proportional to 317,182.84, 475,724.81 and 92,519.75

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Solution

The fourth proportional to 317,182.84, 475,724.81 and 92,519.75 is: 138,765.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,182.84 : 475,724.81 = 92,519.75 : x
  2. Step 2: Convert to fraction form
    317,182.84/475,724.81 = 92,519.75/x
  3. Step 3: Cross multiply
    317,182.84x = 475,724.81 × 92,519.75
  4. Step 4: Simplify right side
    317,182.84x = 44,013,941,910.61
  5. Step 5: Solve for x
    x = 44,013,941,910.61/317,182.84
  6. Step 6: Final answer
    x = 138,765.21

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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.