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Finding the Fourth Proportional to 189,297.92, 283,863.74 and 70,886.22

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Solution

The fourth proportional to 189,297.92, 283,863.74 and 70,886.22 is: 106,298.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,297.92 : 283,863.74 = 70,886.22 : x
  2. Step 2: Convert to fraction form
    189,297.92/283,863.74 = 70,886.22/x
  3. Step 3: Cross multiply
    189,297.92x = 283,863.74 × 70,886.22
  4. Step 4: Simplify right side
    189,297.92x = 20,122,027,169.23
  5. Step 5: Solve for x
    x = 20,122,027,169.23/189,297.92
  6. Step 6: Final answer
    x = 106,298.20

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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.