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Finding the Fourth Proportional to 179,310.64, 269,008.08 and 100,479.28

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Solution

The fourth proportional to 179,310.64, 269,008.08 and 100,479.28 is: 150,742.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,310.64 : 269,008.08 = 100,479.28 : x
  2. Step 2: Convert to fraction form
    179,310.64/269,008.08 = 100,479.28/x
  3. Step 3: Cross multiply
    179,310.64x = 269,008.08 × 100,479.28
  4. Step 4: Simplify right side
    179,310.64x = 27,029,738,192.58
  5. Step 5: Solve for x
    x = 27,029,738,192.58/179,310.64
  6. Step 6: Final answer
    x = 150,742.52

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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.