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Finding the Fourth Proportional to 171,467.70, 257,201.55 and 108,482.10

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Solution

The fourth proportional to 171,467.70, 257,201.55 and 108,482.10 is: 162,723.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,467.70 : 257,201.55 = 108,482.10 : x
  2. Step 2: Convert to fraction form
    171,467.70/257,201.55 = 108,482.10/x
  3. Step 3: Cross multiply
    171,467.70x = 257,201.55 × 108,482.10
  4. Step 4: Simplify right side
    171,467.70x = 27,901,764,267.26
  5. Step 5: Solve for x
    x = 27,901,764,267.26/171,467.70
  6. Step 6: Final answer
    x = 162,723.15

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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.