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Finding the Fourth Proportional to 368,794.96, 553,290.88 and 132,161.56

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Solution

The fourth proportional to 368,794.96, 553,290.88 and 132,161.56 is: 198,277.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,794.96 : 553,290.88 = 132,161.56 : x
  2. Step 2: Convert to fraction form
    368,794.96/553,290.88 = 132,161.56/x
  3. Step 3: Cross multiply
    368,794.96x = 553,290.88 × 132,161.56
  4. Step 4: Simplify right side
    368,794.96x = 73,123,786,164.98
  5. Step 5: Solve for x
    x = 73,123,786,164.98/368,794.96
  6. Step 6: Final answer
    x = 198,277.62

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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.