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Finding the Fourth Proportional to 176,166.72, 264,327.84 and 71,190.72

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Solution

The fourth proportional to 176,166.72, 264,327.84 and 71,190.72 is: 106,817.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,166.72 : 264,327.84 = 71,190.72 : x
  2. Step 2: Convert to fraction form
    176,166.72/264,327.84 = 71,190.72/x
  3. Step 3: Cross multiply
    176,166.72x = 264,327.84 × 71,190.72
  4. Step 4: Simplify right side
    176,166.72x = 18,817,689,245.64
  5. Step 5: Solve for x
    x = 18,817,689,245.64/176,166.72
  6. Step 6: Final answer
    x = 106,817.50

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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.