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Finding the Fourth Proportional to 562,231.27, 843,170.32 and 188,166.79

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Solution

The fourth proportional to 562,231.27, 843,170.32 and 188,166.79 is: 282,191.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,231.27 : 843,170.32 = 188,166.79 : x
  2. Step 2: Convert to fraction form
    562,231.27/843,170.32 = 188,166.79/x
  3. Step 3: Cross multiply
    562,231.27x = 843,170.32 × 188,166.79
  4. Step 4: Simplify right side
    562,231.27x = 158,656,652,537.67
  5. Step 5: Solve for x
    x = 158,656,652,537.67/562,231.27
  6. Step 6: Final answer
    x = 282,191.09

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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.