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Finding the Fourth Proportional to 164,419.44, 226,672.86 and 103,959.82

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Solution

The fourth proportional to 164,419.44, 226,672.86 and 103,959.82 is: 143,321.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,419.44 : 226,672.86 = 103,959.82 : x
  2. Step 2: Convert to fraction form
    164,419.44/226,672.86 = 103,959.82/x
  3. Step 3: Cross multiply
    164,419.44x = 226,672.86 × 103,959.82
  4. Step 4: Simplify right side
    164,419.44x = 23,564,869,724.49
  5. Step 5: Solve for x
    x = 23,564,869,724.49/164,419.44
  6. Step 6: Final answer
    x = 143,321.68

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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.