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Finding the Fourth Proportional to 182,638.37, 252,040.21 and 102,065.87

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Solution

The fourth proportional to 182,638.37, 252,040.21 and 102,065.87 is: 140,850.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,638.37 : 252,040.21 = 102,065.87 : x
  2. Step 2: Convert to fraction form
    182,638.37/252,040.21 = 102,065.87/x
  3. Step 3: Cross multiply
    182,638.37x = 252,040.21 × 102,065.87
  4. Step 4: Simplify right side
    182,638.37x = 25,724,703,308.63
  5. Step 5: Solve for x
    x = 25,724,703,308.63/182,638.37
  6. Step 6: Final answer
    x = 140,850.49

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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.