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Finding the Fourth Proportional to 136,512.95, 204,629.11 and 52,253.33

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Solution

The fourth proportional to 136,512.95, 204,629.11 and 52,253.33 is: 78,326.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,512.95 : 204,629.11 = 52,253.33 : x
  2. Step 2: Convert to fraction form
    136,512.95/204,629.11 = 52,253.33/x
  3. Step 3: Cross multiply
    136,512.95x = 204,629.11 × 52,253.33
  4. Step 4: Simplify right side
    136,512.95x = 10,692,551,258.66
  5. Step 5: Solve for x
    x = 10,692,551,258.66/136,512.95
  6. Step 6: Final answer
    x = 78,326.28

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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.