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Finding the Fourth Proportional to 179,668.72, 247,944.63 and 99,099.22

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Solution

The fourth proportional to 179,668.72, 247,944.63 and 99,099.22 is: 136,757.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,668.72 : 247,944.63 = 99,099.22 : x
  2. Step 2: Convert to fraction form
    179,668.72/247,944.63 = 99,099.22/x
  3. Step 3: Cross multiply
    179,668.72x = 247,944.63 × 99,099.22
  4. Step 4: Simplify right side
    179,668.72x = 24,571,119,436.19
  5. Step 5: Solve for x
    x = 24,571,119,436.19/179,668.72
  6. Step 6: Final answer
    x = 136,757.91

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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.