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Finding the Fourth Proportional to 262,231.92, 393,290.98 and 93,763.94

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Solution

The fourth proportional to 262,231.92, 393,290.98 and 93,763.94 is: 140,625.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,231.92 : 393,290.98 = 93,763.94 : x
  2. Step 2: Convert to fraction form
    262,231.92/393,290.98 = 93,763.94/x
  3. Step 3: Cross multiply
    262,231.92x = 393,290.98 × 93,763.94
  4. Step 4: Simplify right side
    262,231.92x = 36,876,509,650.40
  5. Step 5: Solve for x
    x = 36,876,509,650.40/262,231.92
  6. Step 6: Final answer
    x = 140,625.56

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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.