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Finding the Fourth Proportional to 352,556.70, 528,806.97 and 99,827.34

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Solution

The fourth proportional to 352,556.70, 528,806.97 and 99,827.34 is: 149,733.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,556.70 : 528,806.97 = 99,827.34 : x
  2. Step 2: Convert to fraction form
    352,556.70/528,806.97 = 99,827.34/x
  3. Step 3: Cross multiply
    352,556.70x = 528,806.97 × 99,827.34
  4. Step 4: Simplify right side
    352,556.70x = 52,789,393,188.56
  5. Step 5: Solve for x
    x = 52,789,393,188.56/352,556.70
  6. Step 6: Final answer
    x = 149,733.06

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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.