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Finding the Fourth Proportional to 160,898.40, 241,736.40 and 143,791.20

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Solution

The fourth proportional to 160,898.40, 241,736.40 and 143,791.20 is: 216,034.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,898.40 : 241,736.40 = 143,791.20 : x
  2. Step 2: Convert to fraction form
    160,898.40/241,736.40 = 143,791.20/x
  3. Step 3: Cross multiply
    160,898.40x = 241,736.40 × 143,791.20
  4. Step 4: Simplify right side
    160,898.40x = 34,759,567,039.68
  5. Step 5: Solve for x
    x = 34,759,567,039.68/160,898.40
  6. Step 6: Final answer
    x = 216,034.26

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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.