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Finding the Fourth Proportional to 222,148.62, 333,229.29 and 87,207.09

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Solution

The fourth proportional to 222,148.62, 333,229.29 and 87,207.09 is: 130,813.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,148.62 : 333,229.29 = 87,207.09 : x
  2. Step 2: Convert to fraction form
    222,148.62/333,229.29 = 87,207.09/x
  3. Step 3: Cross multiply
    222,148.62x = 333,229.29 × 87,207.09
  4. Step 4: Simplify right side
    222,148.62x = 29,059,956,683.67
  5. Step 5: Solve for x
    x = 29,059,956,683.67/222,148.62
  6. Step 6: Final answer
    x = 130,813.13

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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.