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Finding the Fourth Proportional to 132,236.01, 182,474.87 and 72,620.01

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Solution

The fourth proportional to 132,236.01, 182,474.87 and 72,620.01 is: 100,209.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,236.01 : 182,474.87 = 72,620.01 : x
  2. Step 2: Convert to fraction form
    132,236.01/182,474.87 = 72,620.01/x
  3. Step 3: Cross multiply
    132,236.01x = 182,474.87 × 72,620.01
  4. Step 4: Simplify right side
    132,236.01x = 13,251,326,521.05
  5. Step 5: Solve for x
    x = 13,251,326,521.05/132,236.01
  6. Step 6: Final answer
    x = 100,209.67

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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.