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Finding the Fourth Proportional to 176,517.63, 264,776.31 and 71,336.57

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Solution

The fourth proportional to 176,517.63, 264,776.31 and 71,336.57 is: 107,004.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,517.63 : 264,776.31 = 71,336.57 : x
  2. Step 2: Convert to fraction form
    176,517.63/264,776.31 = 71,336.57/x
  3. Step 3: Cross multiply
    176,517.63x = 264,776.31 × 71,336.57
  4. Step 4: Simplify right side
    176,517.63x = 18,888,232,448.78
  5. Step 5: Solve for x
    x = 18,888,232,448.78/176,517.63
  6. Step 6: Final answer
    x = 107,004.79

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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.