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Finding the Fourth Proportional to 179,872.76, 269,582.30 and 91,148.60

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Solution

The fourth proportional to 179,872.76, 269,582.30 and 91,148.60 is: 136,607.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,872.76 : 269,582.30 = 91,148.60 : x
  2. Step 2: Convert to fraction form
    179,872.76/269,582.30 = 91,148.60/x
  3. Step 3: Cross multiply
    179,872.76x = 269,582.30 × 91,148.60
  4. Step 4: Simplify right side
    179,872.76x = 24,572,049,229.78
  5. Step 5: Solve for x
    x = 24,572,049,229.78/179,872.76
  6. Step 6: Final answer
    x = 136,607.95

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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.