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Finding the Fourth Proportional to 159,607.20, 239,467.92 and 68,384.32

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Solution

The fourth proportional to 159,607.20, 239,467.92 and 68,384.32 is: 102,600.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,607.20 : 239,467.92 = 68,384.32 : x
  2. Step 2: Convert to fraction form
    159,607.20/239,467.92 = 68,384.32/x
  3. Step 3: Cross multiply
    159,607.20x = 239,467.92 × 68,384.32
  4. Step 4: Simplify right side
    159,607.20x = 16,375,850,871.01
  5. Step 5: Solve for x
    x = 16,375,850,871.01/159,607.20
  6. Step 6: Final answer
    x = 102,600.95

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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.