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Finding the Fourth Proportional to 225,961.98, 312,240.14 and 164,601.37

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Solution

The fourth proportional to 225,961.98, 312,240.14 and 164,601.37 is: 227,450.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,961.98 : 312,240.14 = 164,601.37 : x
  2. Step 2: Convert to fraction form
    225,961.98/312,240.14 = 164,601.37/x
  3. Step 3: Cross multiply
    225,961.98x = 312,240.14 × 164,601.37
  4. Step 4: Simplify right side
    225,961.98x = 51,395,154,812.99
  5. Step 5: Solve for x
    x = 51,395,154,812.99/225,961.98
  6. Step 6: Final answer
    x = 227,450.45

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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.