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Finding the Fourth Proportional to 88,422.16, 132,633.64 and 35,832.64

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Solution

The fourth proportional to 88,422.16, 132,633.64 and 35,832.64 is: 53,749.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,422.16 : 132,633.64 = 35,832.64 : x
  2. Step 2: Convert to fraction form
    88,422.16/132,633.64 = 35,832.64/x
  3. Step 3: Cross multiply
    88,422.16x = 132,633.64 × 35,832.64
  4. Step 4: Simplify right side
    88,422.16x = 4,752,613,474.01
  5. Step 5: Solve for x
    x = 4,752,613,474.01/88,422.16
  6. Step 6: Final answer
    x = 53,749.12

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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.