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Finding the Fourth Proportional to 64,103.42, 96,103.10 and 26,691.48

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Solution

The fourth proportional to 64,103.42, 96,103.10 and 26,691.48 is: 40,015.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,103.42 : 96,103.10 = 26,691.48 : x
  2. Step 2: Convert to fraction form
    64,103.42/96,103.10 = 26,691.48/x
  3. Step 3: Cross multiply
    64,103.42x = 96,103.10 × 26,691.48
  4. Step 4: Simplify right side
    64,103.42x = 2,565,134,087.12
  5. Step 5: Solve for x
    x = 2,565,134,087.12/64,103.42
  6. Step 6: Final answer
    x = 40,015.56

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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.