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Finding the Fourth Proportional to 95,979, 132,451.14 and 53,540.22

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Solution

The fourth proportional to 95,979, 132,451.14 and 53,540.22 is: 73,885.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,979 : 132,451.14 = 53,540.22 : x
  2. Step 2: Convert to fraction form
    95,979/132,451.14 = 53,540.22/x
  3. Step 3: Cross multiply
    95,979x = 132,451.14 × 53,540.22
  4. Step 4: Simplify right side
    95,979x = 7,091,463,174.85
  5. Step 5: Solve for x
    x = 7,091,463,174.85/95,979
  6. Step 6: Final answer
    x = 73,885.57

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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.