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Finding the Fourth Proportional to 168,174.65, 252,262.88 and 43,515.65

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Solution

The fourth proportional to 168,174.65, 252,262.88 and 43,515.65 is: 65,273.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,174.65 : 252,262.88 = 43,515.65 : x
  2. Step 2: Convert to fraction form
    168,174.65/252,262.88 = 43,515.65/x
  3. Step 3: Cross multiply
    168,174.65x = 252,262.88 × 43,515.65
  4. Step 4: Simplify right side
    168,174.65x = 10,977,381,715.18
  5. Step 5: Solve for x
    x = 10,977,381,715.18/168,174.65
  6. Step 6: Final answer
    x = 65,273.70

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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.