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Finding the Fourth Proportional to 179,666.91, 269,504.01 and 120,617.91

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Solution

The fourth proportional to 179,666.91, 269,504.01 and 120,617.91 is: 180,929.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,666.91 : 269,504.01 = 120,617.91 : x
  2. Step 2: Convert to fraction form
    179,666.91/269,504.01 = 120,617.91/x
  3. Step 3: Cross multiply
    179,666.91x = 269,504.01 × 120,617.91
  4. Step 4: Simplify right side
    179,666.91x = 32,507,010,422.82
  5. Step 5: Solve for x
    x = 32,507,010,422.82/179,666.91
  6. Step 6: Final answer
    x = 180,929.31

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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.