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Finding the Fourth Proportional to 176,551.92, 243,758.04 and 136,195.44

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Solution

The fourth proportional to 176,551.92, 243,758.04 and 136,195.44 is: 188,039.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,551.92 : 243,758.04 = 136,195.44 : x
  2. Step 2: Convert to fraction form
    176,551.92/243,758.04 = 136,195.44/x
  3. Step 3: Cross multiply
    176,551.92x = 243,758.04 × 136,195.44
  4. Step 4: Simplify right side
    176,551.92x = 33,198,733,511.34
  5. Step 5: Solve for x
    x = 33,198,733,511.34/176,551.92
  6. Step 6: Final answer
    x = 188,039.49

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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.