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Finding the Fourth Proportional to 176,379.12, 243,396.18 and 95,805

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Solution

The fourth proportional to 176,379.12, 243,396.18 and 95,805 is: 132,207.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,379.12 : 243,396.18 = 95,805 : x
  2. Step 2: Convert to fraction form
    176,379.12/243,396.18 = 95,805/x
  3. Step 3: Cross multiply
    176,379.12x = 243,396.18 × 95,805
  4. Step 4: Simplify right side
    176,379.12x = 23,318,571,024.90
  5. Step 5: Solve for x
    x = 23,318,571,024.90/176,379.12
  6. Step 6: Final answer
    x = 132,207.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.