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Finding the Fourth Proportional to 160,957.20, 241,435.80 and 119,485.20

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Solution

The fourth proportional to 160,957.20, 241,435.80 and 119,485.20 is: 179,227.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,957.20 : 241,435.80 = 119,485.20 : x
  2. Step 2: Convert to fraction form
    160,957.20/241,435.80 = 119,485.20/x
  3. Step 3: Cross multiply
    160,957.20x = 241,435.80 × 119,485.20
  4. Step 4: Simplify right side
    160,957.20x = 28,848,004,850.16
  5. Step 5: Solve for x
    x = 28,848,004,850.16/160,957.20
  6. Step 6: Final answer
    x = 179,227.80

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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.