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Finding the Fourth Proportional to 171,635.44, 257,628.12 and 118,330.96

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Solution

The fourth proportional to 171,635.44, 257,628.12 and 118,330.96 is: 177,617.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,635.44 : 257,628.12 = 118,330.96 : x
  2. Step 2: Convert to fraction form
    171,635.44/257,628.12 = 118,330.96/x
  3. Step 3: Cross multiply
    171,635.44x = 257,628.12 × 118,330.96
  4. Step 4: Simplify right side
    171,635.44x = 30,485,382,762.60
  5. Step 5: Solve for x
    x = 30,485,382,762.60/171,635.44
  6. Step 6: Final answer
    x = 177,617.06

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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.