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Finding the Fourth Proportional to 218,929.74, 327,902.52 and 133,308.69

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Solution

The fourth proportional to 218,929.74, 327,902.52 and 133,308.69 is: 199,663.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,929.74 : 327,902.52 = 133,308.69 : x
  2. Step 2: Convert to fraction form
    218,929.74/327,902.52 = 133,308.69/x
  3. Step 3: Cross multiply
    218,929.74x = 327,902.52 × 133,308.69
  4. Step 4: Simplify right side
    218,929.74x = 43,712,255,388.90
  5. Step 5: Solve for x
    x = 43,712,255,388.90/218,929.74
  6. Step 6: Final answer
    x = 199,663.40

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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.