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Finding the Fourth Proportional to 238,385.69, 357,891.06 and 159,851.33

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Solution

The fourth proportional to 238,385.69, 357,891.06 and 159,851.33 is: 239,986.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,385.69 : 357,891.06 = 159,851.33 : x
  2. Step 2: Convert to fraction form
    238,385.69/357,891.06 = 159,851.33/x
  3. Step 3: Cross multiply
    238,385.69x = 357,891.06 × 159,851.33
  4. Step 4: Simplify right side
    238,385.69x = 57,209,361,936.11
  5. Step 5: Solve for x
    x = 57,209,361,936.11/238,385.69
  6. Step 6: Final answer
    x = 239,986.56

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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.