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Finding the Fourth Proportional to 331,137.99, 496,790.82 and 94,481.51

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Solution

The fourth proportional to 331,137.99, 496,790.82 and 94,481.51 is: 141,746.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,137.99 : 496,790.82 = 94,481.51 : x
  2. Step 2: Convert to fraction form
    331,137.99/496,790.82 = 94,481.51/x
  3. Step 3: Cross multiply
    331,137.99x = 496,790.82 × 94,481.51
  4. Step 4: Simplify right side
    331,137.99x = 46,937,544,343.78
  5. Step 5: Solve for x
    x = 46,937,544,343.78/331,137.99
  6. Step 6: Final answer
    x = 141,746.18

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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.