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Finding the Fourth Proportional to 179,910.15, 269,866.15 and 74,729.22

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Solution

The fourth proportional to 179,910.15, 269,866.15 and 74,729.22 is: 112,094.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,910.15 : 269,866.15 = 74,729.22 : x
  2. Step 2: Convert to fraction form
    179,910.15/269,866.15 = 74,729.22/x
  3. Step 3: Cross multiply
    179,910.15x = 269,866.15 × 74,729.22
  4. Step 4: Simplify right side
    179,910.15x = 20,166,885,695.08
  5. Step 5: Solve for x
    x = 20,166,885,695.08/179,910.15
  6. Step 6: Final answer
    x = 112,094.21

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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.