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Finding the Fourth Proportional to 218,818.83, 328,269.42 and 150,717.81

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Solution

The fourth proportional to 218,818.83, 328,269.42 and 150,717.81 is: 226,105.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,818.83 : 328,269.42 = 150,717.81 : x
  2. Step 2: Convert to fraction form
    218,818.83/328,269.42 = 150,717.81/x
  3. Step 3: Cross multiply
    218,818.83x = 328,269.42 × 150,717.81
  4. Step 4: Simplify right side
    218,818.83x = 49,476,048,072.37
  5. Step 5: Solve for x
    x = 49,476,048,072.37/218,818.83
  6. Step 6: Final answer
    x = 226,105.08

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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.