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Finding the Fourth Proportional to 331,650.21, 497,473.29 and 94,992.87

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Solution

The fourth proportional to 331,650.21, 497,473.29 and 94,992.87 is: 142,488.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,650.21 : 497,473.29 = 94,992.87 : x
  2. Step 2: Convert to fraction form
    331,650.21/497,473.29 = 94,992.87/x
  3. Step 3: Cross multiply
    331,650.21x = 497,473.29 × 94,992.87
  4. Step 4: Simplify right side
    331,650.21x = 47,256,415,565.44
  5. Step 5: Solve for x
    x = 47,256,415,565.44/331,650.21
  6. Step 6: Final answer
    x = 142,488.72

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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.