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Finding the Fourth Proportional to 179,784.75, 269,607.06 and 67,403.67

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Solution

The fourth proportional to 179,784.75, 269,607.06 and 67,403.67 is: 101,079.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,784.75 : 269,607.06 = 67,403.67 : x
  2. Step 2: Convert to fraction form
    179,784.75/269,607.06 = 67,403.67/x
  3. Step 3: Cross multiply
    179,784.75x = 269,607.06 × 67,403.67
  4. Step 4: Simplify right side
    179,784.75x = 18,172,505,301.91
  5. Step 5: Solve for x
    x = 18,172,505,301.91/179,784.75
  6. Step 6: Final answer
    x = 101,079.24

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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.