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Finding the Fourth Proportional to 170,328.68, 255,493.02 and 65,179.88

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Solution

The fourth proportional to 170,328.68, 255,493.02 and 65,179.88 is: 97,769.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,328.68 : 255,493.02 = 65,179.88 : x
  2. Step 2: Convert to fraction form
    170,328.68/255,493.02 = 65,179.88/x
  3. Step 3: Cross multiply
    170,328.68x = 255,493.02 × 65,179.88
  4. Step 4: Simplify right side
    170,328.68x = 16,653,004,384.44
  5. Step 5: Solve for x
    x = 16,653,004,384.44/170,328.68
  6. Step 6: Final answer
    x = 97,769.82

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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.