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Finding the Fourth Proportional to 134,251.27, 185,220.64 and 83,245.64

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Solution

The fourth proportional to 134,251.27, 185,220.64 and 83,245.64 is: 114,850.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,251.27 : 185,220.64 = 83,245.64 : x
  2. Step 2: Convert to fraction form
    134,251.27/185,220.64 = 83,245.64/x
  3. Step 3: Cross multiply
    134,251.27x = 185,220.64 × 83,245.64
  4. Step 4: Simplify right side
    134,251.27x = 15,418,810,972.95
  5. Step 5: Solve for x
    x = 15,418,810,972.95/134,251.27
  6. Step 6: Final answer
    x = 114,850.39

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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.