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Finding the Fourth Proportional to 179,477.72, 269,130.92 and 104,619.44

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Solution

The fourth proportional to 179,477.72, 269,130.92 and 104,619.44 is: 156,879.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,477.72 : 269,130.92 = 104,619.44 : x
  2. Step 2: Convert to fraction form
    179,477.72/269,130.92 = 104,619.44/x
  3. Step 3: Cross multiply
    179,477.72x = 269,130.92 × 104,619.44
  4. Step 4: Simplify right side
    179,477.72x = 28,156,326,137.08
  5. Step 5: Solve for x
    x = 28,156,326,137.08/179,477.72
  6. Step 6: Final answer
    x = 156,879.23

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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.