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Finding the Fourth Proportional to 160,975.20, 241,495.20 and 134,860.80

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Solution

The fourth proportional to 160,975.20, 241,495.20 and 134,860.80 is: 202,318.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,975.20 : 241,495.20 = 134,860.80 : x
  2. Step 2: Convert to fraction form
    160,975.20/241,495.20 = 134,860.80/x
  3. Step 3: Cross multiply
    160,975.20x = 241,495.20 × 134,860.80
  4. Step 4: Simplify right side
    160,975.20x = 32,568,235,868.16
  5. Step 5: Solve for x
    x = 32,568,235,868.16/160,975.20
  6. Step 6: Final answer
    x = 202,318.34

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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.