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Finding the Fourth Proportional to 331,239.51, 496,859.42 and 106,599.92

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Solution

The fourth proportional to 331,239.51, 496,859.42 and 106,599.92 is: 159,899.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,239.51 : 496,859.42 = 106,599.92 : x
  2. Step 2: Convert to fraction form
    331,239.51/496,859.42 = 106,599.92/x
  3. Step 3: Cross multiply
    331,239.51x = 496,859.42 × 106,599.92
  4. Step 4: Simplify right side
    331,239.51x = 52,965,175,931.89
  5. Step 5: Solve for x
    x = 52,965,175,931.89/331,239.51
  6. Step 6: Final answer
    x = 159,899.93

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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.