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Finding the Fourth Proportional to 231,304.75, 346,781.31 and 160,037.94

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Solution

The fourth proportional to 231,304.75, 346,781.31 and 160,037.94 is: 239,935.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,304.75 : 346,781.31 = 160,037.94 : x
  2. Step 2: Convert to fraction form
    231,304.75/346,781.31 = 160,037.94/x
  3. Step 3: Cross multiply
    231,304.75x = 346,781.31 × 160,037.94
  4. Step 4: Simplify right side
    231,304.75x = 55,498,164,748.99
  5. Step 5: Solve for x
    x = 55,498,164,748.99/231,304.75
  6. Step 6: Final answer
    x = 239,935.26

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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.