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Finding the Fourth Proportional to 189,250.80, 283,865.06 and 70,912.24

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Solution

The fourth proportional to 189,250.80, 283,865.06 and 70,912.24 is: 106,364.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,250.80 : 283,865.06 = 70,912.24 : x
  2. Step 2: Convert to fraction form
    189,250.80/283,865.06 = 70,912.24/x
  3. Step 3: Cross multiply
    189,250.80x = 283,865.06 × 70,912.24
  4. Step 4: Simplify right side
    189,250.80x = 20,129,507,262.33
  5. Step 5: Solve for x
    x = 20,129,507,262.33/189,250.80
  6. Step 6: Final answer
    x = 106,364.19

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1.5x scale

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.