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Finding the Fourth Proportional to 262,132, 393,098.08 and 93,620.86

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Solution

The fourth proportional to 262,132, 393,098.08 and 93,620.86 is: 140,395.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,132 : 393,098.08 = 93,620.86 : x
  2. Step 2: Convert to fraction form
    262,132/393,098.08 = 93,620.86/x
  3. Step 3: Cross multiply
    262,132x = 393,098.08 × 93,620.86
  4. Step 4: Simplify right side
    262,132x = 36,802,180,313.95
  5. Step 5: Solve for x
    x = 36,802,180,313.95/262,132
  6. Step 6: Final answer
    x = 140,395.60

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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.