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Finding the Fourth Proportional to 239,732.22, 330,954.84 and 175,128.93

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Solution

The fourth proportional to 239,732.22, 330,954.84 and 175,128.93 is: 241,768.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,732.22 : 330,954.84 = 175,128.93 : x
  2. Step 2: Convert to fraction form
    239,732.22/330,954.84 = 175,128.93/x
  3. Step 3: Cross multiply
    239,732.22x = 330,954.84 × 175,128.93
  4. Step 4: Simplify right side
    239,732.22x = 57,959,767,007.52
  5. Step 5: Solve for x
    x = 57,959,767,007.52/239,732.22
  6. Step 6: Final answer
    x = 241,768.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.