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Finding the Fourth Proportional to 218,924.74, 327,895.02 and 133,303.69

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Solution

The fourth proportional to 218,924.74, 327,895.02 and 133,303.69 is: 199,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,924.74 : 327,895.02 = 133,303.69 : x
  2. Step 2: Convert to fraction form
    218,924.74/327,895.02 = 133,303.69/x
  3. Step 3: Cross multiply
    218,924.74x = 327,895.02 × 133,303.69
  4. Step 4: Simplify right side
    218,924.74x = 43,709,616,098.62
  5. Step 5: Solve for x
    x = 43,709,616,098.62/218,924.74
  6. Step 6: Final answer
    x = 199,655.90

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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.