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Finding the Fourth Proportional to 176,310.72, 264,495.36 and 71,120.88

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Solution

The fourth proportional to 176,310.72, 264,495.36 and 71,120.88 is: 106,693.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,310.72 : 264,495.36 = 71,120.88 : x
  2. Step 2: Convert to fraction form
    176,310.72/264,495.36 = 71,120.88/x
  3. Step 3: Cross multiply
    176,310.72x = 264,495.36 × 71,120.88
  4. Step 4: Simplify right side
    176,310.72x = 18,811,142,759.12
  5. Step 5: Solve for x
    x = 18,811,142,759.12/176,310.72
  6. Step 6: Final answer
    x = 106,693.13

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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.