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Finding the Fourth Proportional to 234,351.40, 351,316.60 and 84,556.48

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Solution

The fourth proportional to 234,351.40, 351,316.60 and 84,556.48 is: 126,758.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,351.40 : 351,316.60 = 84,556.48 : x
  2. Step 2: Convert to fraction form
    234,351.40/351,316.60 = 84,556.48/x
  3. Step 3: Cross multiply
    234,351.40x = 351,316.60 × 84,556.48
  4. Step 4: Simplify right side
    234,351.40x = 29,706,095,061.57
  5. Step 5: Solve for x
    x = 29,706,095,061.57/234,351.40
  6. Step 6: Final answer
    x = 126,758.77

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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.