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Finding the Fourth Proportional to 174,479.22, 261,849.24 and 67,879.98

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Solution

The fourth proportional to 174,479.22, 261,849.24 and 67,879.98 is: 101,870.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,479.22 : 261,849.24 = 67,879.98 : x
  2. Step 2: Convert to fraction form
    174,479.22/261,849.24 = 67,879.98/x
  3. Step 3: Cross multiply
    174,479.22x = 261,849.24 × 67,879.98
  4. Step 4: Simplify right side
    174,479.22x = 17,774,321,174.22
  5. Step 5: Solve for x
    x = 17,774,321,174.22/174,479.22
  6. Step 6: Final answer
    x = 101,870.71

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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.