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Finding the Fourth Proportional to 231,448.78, 346,612.52 and 160,171.68

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Solution

The fourth proportional to 231,448.78, 346,612.52 and 160,171.68 is: 239,869.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,448.78 : 346,612.52 = 160,171.68 : x
  2. Step 2: Convert to fraction form
    231,448.78/346,612.52 = 160,171.68/x
  3. Step 3: Cross multiply
    231,448.78x = 346,612.52 × 160,171.68
  4. Step 4: Simplify right side
    231,448.78x = 55,517,509,637.43
  5. Step 5: Solve for x
    x = 55,517,509,637.43/231,448.78
  6. Step 6: Final answer
    x = 239,869.53

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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.