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Finding the Fourth Proportional to 317,122.80, 475,754.18 and 92,500.82

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Solution

The fourth proportional to 317,122.80, 475,754.18 and 92,500.82 is: 138,771.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,122.80 : 475,754.18 = 92,500.82 : x
  2. Step 2: Convert to fraction form
    317,122.80/475,754.18 = 92,500.82/x
  3. Step 3: Cross multiply
    317,122.80x = 475,754.18 × 92,500.82
  4. Step 4: Simplify right side
    317,122.80x = 44,007,648,927.15
  5. Step 5: Solve for x
    x = 44,007,648,927.15/317,122.80
  6. Step 6: Final answer
    x = 138,771.63

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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.