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Finding the Fourth Proportional to 189,198.16, 283,797.24 and 64,540.24

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Solution

The fourth proportional to 189,198.16, 283,797.24 and 64,540.24 is: 96,810.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,198.16 : 283,797.24 = 64,540.24 : x
  2. Step 2: Convert to fraction form
    189,198.16/283,797.24 = 64,540.24/x
  3. Step 3: Cross multiply
    189,198.16x = 283,797.24 × 64,540.24
  4. Step 4: Simplify right side
    189,198.16x = 18,316,341,980.94
  5. Step 5: Solve for x
    x = 18,316,341,980.94/189,198.16
  6. Step 6: Final answer
    x = 96,810.36

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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.