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Finding the Fourth Proportional to 108,067.36, 149,157.84 and 63,369.76

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Solution

The fourth proportional to 108,067.36, 149,157.84 and 63,369.76 is: 87,464.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,067.36 : 149,157.84 = 63,369.76 : x
  2. Step 2: Convert to fraction form
    108,067.36/149,157.84 = 63,369.76/x
  3. Step 3: Cross multiply
    108,067.36x = 149,157.84 × 63,369.76
  4. Step 4: Simplify right side
    108,067.36x = 9,452,096,522.92
  5. Step 5: Solve for x
    x = 9,452,096,522.92/108,067.36
  6. Step 6: Final answer
    x = 87,464.86

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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.