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Finding the Fourth Proportional to 179,578.72, 247,819.28 and 99,004.48

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Solution

The fourth proportional to 179,578.72, 247,819.28 and 99,004.48 is: 136,626.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,578.72 : 247,819.28 = 99,004.48 : x
  2. Step 2: Convert to fraction form
    179,578.72/247,819.28 = 99,004.48/x
  3. Step 3: Cross multiply
    179,578.72x = 247,819.28 × 99,004.48
  4. Step 4: Simplify right side
    179,578.72x = 24,535,218,950.37
  5. Step 5: Solve for x
    x = 24,535,218,950.37/179,578.72
  6. Step 6: Final answer
    x = 136,626.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.