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Finding the Fourth Proportional to 225,548.49, 338,216.79 and 130,805.60

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Solution

The fourth proportional to 225,548.49, 338,216.79 and 130,805.60 is: 196,146.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,548.49 : 338,216.79 = 130,805.60 : x
  2. Step 2: Convert to fraction form
    225,548.49/338,216.79 = 130,805.60/x
  3. Step 3: Cross multiply
    225,548.49x = 338,216.79 × 130,805.60
  4. Step 4: Simplify right side
    225,548.49x = 44,240,650,146.02
  5. Step 5: Solve for x
    x = 44,240,650,146.02/225,548.49
  6. Step 6: Final answer
    x = 196,146.96

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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.