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Finding the Fourth Proportional to 236,170.99, 354,190.61 and 65,351.56

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Solution

The fourth proportional to 236,170.99, 354,190.61 and 65,351.56 is: 98,009.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,170.99 : 354,190.61 = 65,351.56 : x
  2. Step 2: Convert to fraction form
    236,170.99/354,190.61 = 65,351.56/x
  3. Step 3: Cross multiply
    236,170.99x = 354,190.61 × 65,351.56
  4. Step 4: Simplify right side
    236,170.99x = 23,146,907,129.90
  5. Step 5: Solve for x
    x = 23,146,907,129.90/236,170.99
  6. Step 6: Final answer
    x = 98,009.11

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1.5x scale

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.