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Finding the Fourth Proportional to 171,880.20, 257,844.60 and 53,539.20

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Solution

The fourth proportional to 171,880.20, 257,844.60 and 53,539.20 is: 80,316.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,880.20 : 257,844.60 = 53,539.20 : x
  2. Step 2: Convert to fraction form
    171,880.20/257,844.60 = 53,539.20/x
  3. Step 3: Cross multiply
    171,880.20x = 257,844.60 × 53,539.20
  4. Step 4: Simplify right side
    171,880.20x = 13,804,793,608.32
  5. Step 5: Solve for x
    x = 13,804,793,608.32/171,880.20
  6. Step 6: Final answer
    x = 80,316.37

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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.