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Finding the Fourth Proportional to 262,014.83, 393,105.32 and 93,531.54

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Solution

The fourth proportional to 262,014.83, 393,105.32 and 93,531.54 is: 140,326.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,014.83 : 393,105.32 = 93,531.54 : x
  2. Step 2: Convert to fraction form
    262,014.83/393,105.32 = 93,531.54/x
  3. Step 3: Cross multiply
    262,014.83x = 393,105.32 × 93,531.54
  4. Step 4: Simplify right side
    262,014.83x = 36,767,747,319.02
  5. Step 5: Solve for x
    x = 36,767,747,319.02/262,014.83
  6. Step 6: Final answer
    x = 140,326.97

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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.