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Finding the Fourth Proportional to 262,131, 393,096.59 and 93,619.86

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Solution

The fourth proportional to 262,131, 393,096.59 and 93,619.86 is: 140,394.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,131 : 393,096.59 = 93,619.86 : x
  2. Step 2: Convert to fraction form
    262,131/393,096.59 = 93,619.86/x
  3. Step 3: Cross multiply
    262,131x = 393,096.59 × 93,619.86
  4. Step 4: Simplify right side
    262,131x = 36,801,647,254.18
  5. Step 5: Solve for x
    x = 36,801,647,254.18/262,131
  6. Step 6: Final answer
    x = 140,394.11

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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.