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Finding the Fourth Proportional to 240,366.83, 331,696.22 and 131,469.48

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Solution

The fourth proportional to 240,366.83, 331,696.22 and 131,469.48 is: 181,422.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,366.83 : 331,696.22 = 131,469.48 : x
  2. Step 2: Convert to fraction form
    240,366.83/331,696.22 = 131,469.48/x
  3. Step 3: Cross multiply
    240,366.83x = 331,696.22 × 131,469.48
  4. Step 4: Simplify right side
    240,366.83x = 43,607,928,904.02
  5. Step 5: Solve for x
    x = 43,607,928,904.02/240,366.83
  6. Step 6: Final answer
    x = 181,422.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.